Added NES options
- Emulator selection: Nestopia, FCEUmm
- Region selection: NTSC, PAL, others
- Sprite limit removal
Two Amiga emulator options:
- UAE2All emulator (default)
- UAE4Droid emulator (required by some games)
Fixes in Themes:
- Detection of L and R buttons with some controllers
- Fullscreen display on devices with soft buttons
- Stop button on downloads