Java ME

Also Known As	J2ME Java 2 Micro Edition
Developer	Sun→Oracle
Type	Cellphone/Mobile
Generation	6th generation - 8th generation
Release date	2000
Discontinued	2019
File extension (s)	.Jar, .Jad
Connectivity	Wi-Fi, IR, Bluetooth, GPRS, 3G/4G
Backward compatibility	Yes
Predecessor	EZplus + Java (MIDP) supported platforms
Written in	Java
Related	ExEn, BREW, Mophun, Symbian
Emulated	✓

A free cross-platform language capable of working in devices with highly reduced capabilities. It was basically Java stripped down to the bare essentials. While originally not intended for games (until its more advanced game-oriented API came), it became the de facto market standard for cell phone gaming - due in no small part to the SDK being free and without licensing costs.

Mascot Capsule 3D is a proprietary 3D graphics engine developed by Hi Corporation. It was mostly used in Japanese cellphone devices, but it also made it overseas featured in many Sony Ericsson devices. Many developers made use of this tech to bring higher quality 3D graphics on the Sony Ericsson version of their J2ME games.

Emulators

Currently, the Android-exclusive J2ME Loader is able to run most of the 2D and 3D (with Mascot Capsule 3D exclusive) J2ME games. On desktops KEmulator and FreeJ2ME should suffice for most games, but there's a minority of games making use of obscure vendor-specific APIs supported only on their respective SDK tools. Given the scarcity of such tools, this list aims to comprehensively list the available ones for convenience.

Name	Platform(s)	Latest version	Mascot Capsule 3D	Accuracy	VM	Derived?	License	Active	Recommended
J2ME Loader		1.8.2 git dev	✓	High	Host JVM (Dalvik dynarec)	—	Apache 2.0 (Permissive)	✓	✓
JL-Mod		[https://github.com/woesss/JL-Mod/releases This page is a candidate for deletion. The reason is: "duplicate template" If you disagree with the candidate, explain why at the talk page or improve the page and remove the {{delete}} tag. Remember to check for any active links to the page and its history before deleting. git]	✓	High	Host JVM (Dalvik dynarec)	J2ME-Loader	Apache 2.0 (Permissive)	✓	✓
KEmulator		1.0.3 1.0.5	✗	Mid	Host JVM	—	Proprietary	✗	✓
KEmulator (nmod)		2.16.2 (win32 and multi-platform) git	✓	High	Host JVM	KEmulator	?	✓	✓
FreeJ2ME		git	~	Mid	Host JVM	—	GPLv3 (Permissive)	✓	✓
FreeJ2ME (fork)		git	✓	High	Host JVM	FreeJ2ME	GPLv3 (Permissive)	✓	✓
PSPKVM		0.5.5 Final Edition git	✗	Mid	phoneME CLDC	phoneME Feature	GPLv2 (Copyleft)	✗	✓
SquirrelJME		0.4.0 libretro core	✗	Aims for 100%	Custom (Java)	—	GPLv3 (Copyleft)	✓	~ (WIP)
Bittboy-J2ME	(Miyoo)	git	✗	Mid	phoneME CLDC	phoneME Advanced	GPLv2 (Copyleft)	✓	~
SJ Boy		Beta 4 Special Edition	✗	Mid-Low	—	—	?	✗	~
Midpath		git	✗	Mid	?	?	GPLv2 (Copyleft)	✓	~
phoneME (unofficial)		git	✗	Mid	phoneME CLDC	phoneME Feature	Proprietary	~	~
EKA2L1		Automatic CI builds	✗	Mid		—	GPLv3 (Copyleft)	✓	~ (Only MIDP 1.0 - S60v1)
Jademula		0.23git	✗	Mid	Host JVM	?	GPLv3 (Copyleft)	✗	✗
ME4SE		2.2.0	✗	Mid	Host JVM	?	GPLv2 (Copyleft)	✗	✗
Pstros		1.5.2 1.6.1	✗	Mid	Host JVM	?	?	✗	✗
Micro Emulator		git2.0.4	✗	Mid	Host JVM	—	Apache 2.0 (Permissive)	✗	✗
Minisoyo		0.0.2	✗	Low	?	?	Proprietary	✗	✗
MidpX (NHAL Win32 Emulator)		1.0.1 midp2exe	✗	Low	?	?	Proprietary	✗	✗
MPowerPlayer MPowerPlayer SDK		2.0 Build 1185	✗	Low	?	?	Proprietary	✗	✗
Midp-Emulator		1.31git	✗	Low	?	?	Proprietary	✗	✗
GameMagic S60		1.2.1	✗	Low	?	?	Proprietary	✗	✗
N-GAGE COOL!		1.2.1 (Trial) ($)	✗	Low	?	?	Proprietary	✗	✗
midp-emulator		git	✗	Low	Host JVM	—	?	✓	?
Nokia SDKs		Part 1 Part 2 Part 3	✗	Mid	?	?	Proprietary	✗	~
Sony Ericsson SDKs		2.5.0.6 Mirror	✓	Mid	?	?	Proprietary	✗	~
Siemens SDKs		Site 1 Site 2	✗	Mid	?	?	Proprietary	✗	~
Motorola SDKs		4.1 5.2.1	✗	Mid	?	?	Proprietary	✗	~
Motorola iDEN SDK		Mirror	✗	Mid	?	?	Proprietary	✗	~
LG SDK		1.5 Mirror	✗	Mid	?	?	Proprietary	✗	~
Samsung Java SDK		1.2.2 Mirror	✗	Mid	?	?	Proprietary	✗	~
Zucotto Wireless Whiteboard SDK		2.0	✗	Low	?	?	Proprietary	✗	✗
Zhixiaoyou (JL fork)		1.2	✗	Mid	Host JVM (Dalvik dynarec)	J2ME-Loader	Proprietary	✗	✗
J2ME Runner		2.0.3.7 Netmite.com midp2apk	✗	Low	?	?	Proprietary	✗	✗
Jbed		2.3.1 (Android) 2010 (WinMobile)	✗	Low	?	?	Proprietary	✗	✗
Jblend		0.1 (Android) Full-screen (WinMobile)	✗	Low	?	?	Proprietary	✗	✗
Project Kava		git	✗	Low	?	J2meJS	?	✗	✗
J2meJS		git	✗	Low	?	?	?	✓	✗
phoneME	-	SVN Dump	Vendor Specific	Reference Implementation	KVM (Reference Implementation)	Reference Implementation	GPLv2 (Copyleft)	✗	✗
phoneME (unofficial)		git b168 rev20547	✗	Low	PhoneME	PhoneME Advanced (unofficial)	Proprietary	✗	✗
KarinME (Based on MicroEmu)		3.0.1	✗	Mid	?	?	Proprietary	✗	~
midpath4dingoo		3.0	✗	?	?	?	GPLv2 (Copyleft)	✗	✗
midp4palm		1.0	✗	?	?	?	GPLv2 (Copyleft)	✗	✗
Coretek Delta java manager		2006d	✗	?	?	?	Proprietary	✗	✗
Esmertec Java (jeodek)		20070425 build	✗	?	?	?	Proprietary	✗	✗
TAO Intent Java MIDlet manager		1.1 build	✗	?	?	?	Proprietary	✗	✗
IBM J9		6.1.0	✗	?	?	?	Proprietary	✗	✗
Mitac JVM		Build	✗	?	?	?	Proprietary	✗	✗
CrEme JVM		4.12	✗	?	?	?	Proprietary	✗	✗
Micro Emulator (Converter)		Android Maemo	✗	Low	Host JVM	—	GPLv2 (Copyleft)	✗	✗
phoneME-feature devices (unofficial)		git	✗	Low	phoneME CLDC	phoneME Feature	GPLv2 (Copyleft)	✗	✗
Pstros-nds		0.7.2 r6git	✗	Low	?	?	?	✗	✗
JS2ME		git	✗	?	?	?	MIT (Permissive)	✓	?
Pluotsorbet		git	✗	?	?	?	GPLv2 (Copyleft)	✓	?