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The '''J2ME Loader''' is a free and open-source [[Cellphone_emulators#J2ME (Java 2 Micro Edition)|Java 2 Micro Edition]] and [[wikipedia:Nintendo 3DSCellphone_emulators#KDDI ezplus|Nintendo 3DSezplusアプリ]]emulator <ref group=N> It''' is s not exactly an eighth-generation handheld game console by Nintendo, released emulator. It converts MIDlets to Android API and makes J2ME applications to run almost natively in [https://en.m.wikipedia.org/wiki/Dalvik_(software) Dalvik] or [https://en.m.wikipedia.org/wiki/Android_Runtime Android Runtime]</ref>for [[Emulators on March 27, 2011 for {{inflationAndroid|USD|249|2011}}Android]]It's written in Java. The original model and the 2DS had a dual-core ARM11 MPCore at 268 MHz and This project is a single-core ARM9, 128MB fork of RAM and 6MB of VRAM, and a DMP PICA200 GPU[https://github. The New 3DS and New 2DS XL models upgrade this to an 804 MHz quad-core ARM11 and 256MB of RAM, along with an extra pair of shoulder buttons and a right analogue stickcom/NaikSoftware/J2meLoader J2meLoader].
The most notable feature of this console is the use of [https://en.wikipedia.org/wiki/Autostereoscopy autostereoscopic] (glasses-free) 3D, which can be configured using a slider. This was omitted on the cost-reduced 2DS and New 2DS XL models, which was released due to eye health concerns with children whom Nintendo advised not to use the 3DS's stereoscopic mode (though it is speculated that said advisories were more for liability reasons in case of a health-related lawsuit).==Overview==
__TOC__Released in 2017, the emulator is currently capable of playing around lot of games. This is currently the highest-compatibility J2ME/ezplusアプリ emulator available. Converts .JAR and .KJX files offline using its own resources. Easily launches both 2D & 3D apps. Samsung & Nokia API implemented. Supports different keyboard layouts and customization. It is highly accurate, with the right frame rate for each game, as well as vibration. Has slightly improved performance through hardware acceleration, but games won't run too fast. Runs almost every Nokia game, even ones that don't work with [[KEmulator]] or [[FreeJ2ME]], but fails with Sony Ericsson 3D engine (Mascot Capsule 3D), due to the fact that the Mascot Capsule 3D is almost difficult to port. This is implemented with [[JL-Mod]] emulator.
!colspan="7"|PC / x86Dark|White
!colspan|align="9"center|Mobile {{Icon|APK-big}}|'''[https://install.appcenter.ms/users/nikita36078/apps/j2me-loader/distribution_groups/ ARMtesters Automatic Builds]'''
|[[Citra]]|align=leftcenter|{{Icon|AndroidAPK-big}}|'''[https://play.googlegithub.com/storenikita36078/appsJ2ME-Loader/details?id=org.citra.citra_emu Beta 15releases GitHub]<br/>[https://githubf-droid.comorg/citra-emuapp/citraru.playsoftware.j2meloader F-android gitDroid]|{{✓}}|{{✗}}|{{✓}}|{{✓}}'''
|[[Citra_MMJ_(Unofficial)|Citra-MMJ]] <small>(Unofficial)</small>|align=leftcenter|{{Icon|AndroidAPK-big}}|'''[https://githubplay.google.com/weihuoyastore/citraapps/releases gitdetails?id=ru.playsoftware.j2meloader Play Store]|{{✓}}|{{✗}}|{{✓}}|{{✓}}<small> (WIP)</small>'''
===Comparisons===;[[Citra]]:An open-source Nintendo 3DS emulator made by experienced emulator developers. The devs insist that it's still experimental, but as of mid-2019 around half Download a latest version of all games are fully playable with minor or no issues. [https://citra-emu.org/entry/announcing-citra-android/ An official J2ME Loader on your Android version was released in May of 2020]device.
;VvctreNext,Click [[File:Based on CitraJL_+. Made by valentin. Optimized for Luigi's Mansion 2png|35px]] (to run this game smoothly, turn on Disk Shader Cache, put button) at the lower right corner in the CPU clock speed to 80% main J2ME-Loader Windows and select the CPU tick speed to 21000%). Also emulates the 3DS OS. The project's Github page no longer exists. It was deleted for unknown reasons. Without the source <code available, all builds are now in violation of GPLv2[https://www.gnu>.orgJAR</licenses/old-licenses/gpl-2.0-faqcode> or <code>.html#UnchangedJustBinary][https:KJX<//www.gnu.org/licenses/old-licenses/gpl-2.0-faq.html#SourceAndBinaryOnDifferentSites]code> program on your file manager, after setup your game configures.
;[[3dmoo]]:Another open-source Nintendo 3DS emulator, made by experienced developers in the DS hacking scene. It was released shortly after Citra and received similar progress for a few months, but was eventually aborted by its authors after a while.;[[TronDS]]:A closed-source Nintendo 3DS emulator, presumably made by the iDeaS author. Little is known about it other than that it can run simple homebrew. It cannot be used for playing games.==Key binding==
;Corgi3DSKeys :An unique 3DS emulator designed for macOS systems. Its GitHub activity started on [https://github.com/PSI-Rockin/Corgi3DS/commit/1b81c7e00c9a7a73f2da12d07ec3a9e4bc69c6ac May 5, 2019]. Main programmer is a self-proclaimed dog lover and has previously created CorgiDS and DobieStation, though the former seemed to be abandoned. Corgi3DS is mainly indigenous but the preliminary [https://github.com/PSI-Rockin/Corgi3DS/commit<i>Default</a60b06683495e4e8fd0c170ec4ca8c453ce31609 Wi-Fi code] was ported from [[melonDS]]' code.(project on a indefinite hiatus, PSI said this about the matter "Haven't worked on it in several months, it's basically a hobby project of mine that I touch when I feel the urge").i>
Corgi3ds currently can't run any game without heavy stuttering.==Known bugs and issues==
Citra emulates the home menu although you can* [[JL-Mod#Mascot Capsule 3D compatibility list|Mascot Capsule 3D V3]] games doesn't launch anything on it (use vvctre for the os emulation)works.
Currently there is no full screen support in linux vvctre, valentin said he can't fix it==Screenshots== {| class="wikitable mw-sortable"|-|[[File:DR.jpg|200px]]|[[File:SU.jpg|200px]]|[[File:Bounce.jpg|200px]]|[[File:WWE10.jpg|200px]]|-|[[File:C4D.jpg|200px]]|[[File:MI3.jpg|200px]]|[[File:SHP1.jpg|200px]]|[[File:KFP3.jpg|200px]]|-|[[File:SM3.jpg|200px]]|[[File:CMI.jpg|200px]]|[[File:1942.jpg|200px]]|[[File:POP08.jpg|200px]]|-|[[File:GOWB.jpg|200px]]|[[File:Asterix.jpg|200px]]|[[File:Pac-manCE.jpg|200px]]|[[File:BJWT.jpg|200px]]|-|[[File:BJW3.jpg|200px]]|[[File:SVB.jpg|200px]]|[[File:Shadowalker.jpg|200px]]|[[File:Madagascar3.jpg|200px]]|-|[[File:UMK3.jpg|200px]]|[[File:AASO.jpg|200px]]|[[File:G4R.jpg|200px]]|[[File:NinjaP.jpg|200px]]|}
*Note that CTR J2ME Loader is currently capable of playing thousands of J2ME games (CitrusRuns almost every Nokia games, especially GameLoft games) is with ezplusアプリ games support, more than 96.7% of the internal code names for the 3DSJ2ME library with supports most 2D games and also 3D with some limitations ([[JL-Mod#Mascot Capsule 3D compatibility list|Mascot Capsule 3D V3]]) games don't work).
Due to one format being so far restricted to overpriced flashcarts and the very slow Citra development (meaning playing on a real 3DS is still the preferred way to go), the CIA format is preferred in many sharing websites, downloader tools and even tools to dump your own games.
However, converting a CIA image to 3DS format <B>[https://github.com/nikita36078/J2ME-Loader/wiki/List-of-Tested-Java-Games-(and vice-versaTouchscreen) is still possible with no loss List of content. Read the Encryption section below for a guide.The Tested Java Games (Touchscreen)]</B>
Some outdated dumping utilities intended for use with Citra <B>[https://github.com/nikita36078/J2ME-Loader/wiki/List-of-Tested-Java-Games-(like braindumpNon-Touchscreen) produce damaged decrypted 3DS images that can't be easily converted back. No known solution exists so far to fix those dumps.List of The Tested Java Games (Non Touchscreen)]</B>
===Encryption===Most dumps online are also encrypted<B>[https://github. This encryption poses no problem for playing game images on a real 3DS since it can deal com/nikita36078/J2ME-Loader/wiki/List-of-Java-Games-with that encryption -Bugs List of The Java Games with internal keys included in the bootrom, but becomes a problem when trying to emulate them on PC. '''Citra requires additional encryption keys to play encrypted games.''' If you want to play encrypted games on Citra without these keys, you'll have to convert your game images to the decrypted format.Bugs]</B>
Formerly, decrypting those ROMs used to require real 3DS hardware (bafflingly enough, Citra devs still ask users to do this even nowadays). It required files generated by a real 3DS called '''xorpads''' unique to that game version, using the encryption engine within the 3DS. After this part, these xorpads (which are big) can be used with PC tools (or other 3DS-based homebrew) to produce the decrypted game image. After that, some 3DS homebrew (Decrypt9, GodMode9) included tools to directly convert encrypted images to decrypted images with a single button press, but those still require a real 3DS.==See also==
The game changer was the sighax exploit, allowing to dump the 3DS bootrom which includes these encryption keys. This file can be downloaded from the * [[Emulator Files#Nintendo 3DS|Emulator FilesJL-Mod]] page. You can then use a program like '''* [[https://gbatemp.net/threads/tutorial-extract-decrypt-games-nand-backups-and-sd-contents-with-fuse-3ds.499994/ fuse-3dsEKA2L1]]''' to decrypt games using this file. Simply place boot9.bin in the same folder, run the program, mount the encrypted .cia or .3ds, and find the '''decrypted.cxi''' file inside (usually in the first folder). Citra should be able to load this file without issues.
Due to these keys being available, Citra can now play encrypted games (3ds or CIA) without decrypting them. Read this page[https://citra-emu.org/wiki/aes-keys/]. Then, go to this reddit page and copy the code from second comment (credit floppydoppy2)[https://www.reddit.com/r/CemuPiracy/comments/gpo2ey/aes_key_nintendo_3ds_title_keys_for_citra/]. Copy it and make a new .TXT file named 'aes_keys.txt'Place this txt file in the sysdata folder of Citra's user directory. This key file is already included in the 3DS Shared Data download in the Emulator Files page. ==External links==
{{Nintendo}}==References==<references group=N />
no edit summary
{{Infobox consoleemulator|title logo = JL.png|logowidth = Nintendo 3DS150|logo version = {{JLVer}}|active = 3ds.pngYes|developer platform = [[:NintendoEmulators on Android|Android]]|type target = [[:Category:Handheld consolesCellphone_emulators#J2ME (Java 2 Micro Edition)|Java 2 Micro Edition]] and [[Cellphone_emulators#KDDI ezplus|Handheld game consoleezplusアプリ]]|generation developer = [https://github.com/nikita36078 Nikita Shakarun]|support = [https:Category//www.paypal.me/nikita36078 PayPal][https:Eighth-generation video game consoles|Eighth generation]//money.yandex.ru/to/41001670387745 Yandex Money]|release license = 2011Apache 2.0|discontinued source = 2020[https://github.com/nikita36078/J2ME-Loader/releases GitHub]|predecessor website = [[Nintendo DSi emulators|Nintendo DSi]]|emulated prog-lang = {{✓}}Java
}}
<b>System requirements :</b>Android 4.0 + ==EmulatorsFeatures=={| class="wikitable" style="text* Fast emulation* Highly compatibility* KDDI ezplusアプリ <code>.kjx</code> games are support. Only support 128x160 resulation and font option recommend is <small>(9 - 13 -align:center;"15)</small>* Bluetooth API support* Touchscreen input support* Supports external virtual keyboards and QWERTY input* 3D support* Menu key remapping support* Supports different keyboard layouts and customization.* Individual settings for each application.! scope="col"|Name* Highly accurate, with the right frame rate (FPS support) for each game, as well as vibration. ! scope="col"|Platform* Hardware acceleration support (sbut games won't run too fast).! scope="col"|Latest Version* Accelerometer support.* Scaling support. ; → <i>Add support of external shaders filters</i> :! scope="col"|Open-Source! scope="col"|Only shaders for [[libretro|Libretro CorePPSSPP]](same format) are supported to use, you need to put them in the <code>J2ME-Loader/shaders</code> folder in the working folder of the emulator, further in the game settings, select the graphics output mode: <code>HW acceleration (OpenGL ES)</code> and select the shader of interest A small collection of compatible shaders can be taken in this repository: [https://github.com/woesss/ppsspp_shaders ppsspp_shaders]! scope="col"; → <i>Theme</i>{|Active! scopeclass="colwikitable mw-sortable"|[[Recommended Emulators|Recommended]]
|-
|-
|[[CitraFile:JL_dark.jpg|300px]]|align=left|{{Icon|Windows|Linux|macOS}}|[https[File://citra-emuJL_white.org/download Nightlyjpg|300px]]|{{✓}}|{{✓}}|; → <i>FPS</i>{{✓}}|{{✓}}class="wikitable mw-sortable"
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|Vvctre|align=left|{{Icon|Windows|W7|Linux}}|[https://github.com/vvnb/vvctre {{VvctreVer}}]|{{✓}}|{{✗}}|{{✓}}|{{✗}}FPS
|-
|Corgi3DS|align=left|{{Icon|Windows|Linux|macOS}}|[https[File://githubJL_FPS.com/PSI-Rockin/Corgi3DS gitpng|300px]]|{{✓}}|{{✗}}|; → <i>Force full-screen</i>{{✗}}|{{✗}}class="wikitable mw-sortable"
|-
|[[3dmoo]]Normal|align=left|{{Icon|Windows|Linux}}|[https://github.com/plutooo/3dmoo git]|{{✓}}|{{✗}}|{{✗}}|{{✗}}Force Fullscreen
|-
|[[TronDSFile:Force_nm.jpg|300px]]|align=left|{{Icon|Windows|Linux}}|[http[File://trondsemuForce_fs.byethost15.com/downloads.html 1.0.0.5jpg|300px]]|{{✗}}|{{✗}}|{{✗}}==How to use==|{{✗}}|-|LemonLime|align=left|{{Icon|Windows|Linux|macOS}}|[https:; → <i>Installation <small> (J2ME/ezplusアプリ)</github.comsmall></Cyuubii> : <center><big>Download</LemonLimebig></ git]center>|{{✓}}|{{✗}}|{{✗}}|{{✗}}cellpadding="4"
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|}
{| class==Emulation issues=="wikitable mw-sortable"|-|<b>Key</b>|<b>Action</b>|-|D-PAD Up|<code>↑</code>|-|D-PAD Down|<code>↓</code>|-|D-PAD Left|<code>←</code>|-|D-PAD Right|<code>→</code>|-|D-PAD Center|<code>F</code>|-|LEFT-Soft Key|<code>L</code>|-|RIGHT-Soft Key|<code>R</code>|-|NUM1|<code>1</code>|-|NUM2|<code>2</code>|-|NUM3|<code>3</code>|-|NUM4|<code>4</code>|-|NUM5|<code>5</code>|-|NUM6|<code>6</code>|-|NUM7|<code>7</code>|-|NUM8|<code>8</code>|-|NUM9|<code>9</code>|-|NUM0|<code>0</code>|-|*|<code>*</code>|-|#|<code>#</code>Citra currently can't emulate any of the 3DS's online features aside from LAN multiplayer. It can't connect to Nintendo's servers but users can create rooms and play through the internet.|}
==Game imagesCompatibility=====3DS vs. CIA===<!--this section is pretty inaccurate-->There are two big types of 3DS game images currently:;NCSD-type: Includes '''.CCI''' (CTR Cart Image), aka '''.3DS''' - data on physical carts, can be executed right off the bat, not used much since no one bothered to develop a CFW solution to load them yet (besides converting them to CIA) and only overpriced flashcarts (Gateway/Sky3DS) can load them.;NCCH-type: Includes '''.CIA''' (CTR Importable Archive) and '''.CXI''' - installers that unpack game data to the SD card or the 3DS NAND memory. Some homebrew apps (FBI, DevMenu) can install CIA files on 3DS systems with CFW installed. Digital games are often distributed as CIAs.
* [https://discord.com/invite/Ag4rcpz Official Discord server]
* [http://4pda.ru/forum/index.php?showtopic=824201 4pda.ru Discussion]
* [https://forum.xda-developers.com/android/apps-games/app-j2me-loader-t3777889 Xda-dev Discussion]
[[Category:ConsolesMobile emulators]][[Category:Handheld consolesCellphone emulators]][[Category:Nintendo consoles]][[Category:Eighth-generation video game consoles]][[Category:Nintendo 3DS emulators|*Android emulation software]]
