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Unlike most other efforts at emulating iDevices, the author behind touchHLE went out of their way to reimplement most if not all the iOS standard libraries, thereby negating the need for any copyrighted Apple firmware and thus potentially insulating the project from any legal consequence (case in point [[Dolphin]] whose presence of cryptographic keys needed to run Wii games became a point of controversy<ref>[https://www.youtube.com/watch?v=hsQtv5IvrD8 Nintendo is threatening legal emulation...and it doesn't look good]</ref>) in much the same way as the earlier [[UltraHLE]] project for the [[Nintendo 64 emulators|Nintendo 64]].
The only code touchHLE emulates is the app binary and some libraries, while touchHLE itself takes place of iOS and provides its own implementation of system frameworks such as Foundation, UIKit, OpenGL ES, OpenAL, etc. In addition, the developer intended touchHLE as a way to run and preserve early iOS games especially considering Apple's spotty track record with software preservation, with newer devices being unable to run older apps and games and the difficulty of installing delisted games. 64-bit apps will never be supported officially, but a fork in the future may bring them.
==References==
