OUTDATED: USE THIS VERSION: https://github.com/TheGammaSqueeze/GammaOS/releases/tag/GammaOS_v1.1_RG405M
Initial release:
https://drive.google.com/file/d/1wxQ78Uq4mQp7qo4AL_TGn1wrGfDbWS4T/view?usp=share_link (no longer available, use v1.1)
Information
GammaOS is based on LineageOS 19.1 (Android 12). It provides a debloated and performance optimized experience for users who are looking to get the best out of their Anbernic RG405M.
Features:
Based on debloated and clean LineageOS 19.1 build, Android 12 for a smoother experience. Non-essential apps removed.
Daijisho launcher as front-end, pre-configured with RetroArch for some systems. (Optimized settings for GB,GBC,GBA,NES,SNES,Genesis,PSX)
Play store & Aurora store included.
Adguard ad blocking included as default (can be disabled via Private DNS settings).
Magisk/root included (can be enabled after rebooting the device).
60hz refresh rate fix for display (stock is 61.2hz and can cause frame pacing issues with emulation).
Oversharpening display fixed.
Analog stick calibration for more tighter controls.
CPU and GPU now using performance governors for extra performance boost.
New GPU drivers taken from Retroid Pocket 3+ for extra performance boost.
What's missing:
Built-in button to on-screen mapping software, alternative solutions can be found in app store.
L2/R2 fix for some Android games (also an issue in Anbernic stock firmware), due to missing GAS and BRAKE emulated joypad inputs. Can't fix without kernel sources from Anbernic.