Initial RP3+ Android setup

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

README.md

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+### ⚠️ THIS PROJECT WAS ENTIRELY VIBECODED AND IS SLOP. DO NOT PROCEED IF YOU DO NOT ALIGN WITH THESE VALUES. DO NOT COMPLAIN ABOUT IT IN PULL RELEASES, ISSUES, ETC. UNLESS THERE ARE SEVERE SECURITY RISKS. THEY WILL BE REMOVED. PROCEED AT YOUR OWN RISK! ⚠️
+
+# dotfiles-android
+
+Setup for a Retroid Pocket 3+ (Android 11) used for emulation.
+
+## Files
+
+- `obtainium-rp3.json`: Obtainium import list (Obtainium > Import/Export > Obtainium Import).
+- `rp3-restore.sh`: reinstalls the 32 stock packages that were removed. Run with `adb` connected.
+
+## Obtainium apps
+
+| App | Source |
+|---|---|
+| Cocoon | github.com/KansoMirai/CocoonFE |
+| Keyguard | github.com/AChep/keyguard-app |
+| PKForge | github.com/sofianeelhor/PKForge |
+| PokeDaisy | github.com/lidor30/pokedaisy |
+| Pokémon Fulldex | github.com/mamesj/pokemon-fulldex |
+| Material Files | github.com/zhanghai/MaterialFiles |
+| PokeMMO | dl.pokemmo.com/PokeMMO-Client.apk |
+
+PokeMMO is not on GitHub, so it uses a direct APK link. The file is about 180 MB.
+
+## ADB notes
+
+Wireless debugging reboots this device. Run `adb tcpip 5555` once over USB, then `adb connect <ip>:5555`. It resets on reboot.
+
+Debloat is `pm uninstall --user 0 <pkg>`. Undo with `cmd package install-existing <pkg>`.
+
+The shell user cannot write to shared storage on this firmware, so `adb push` to `/sdcard` fails.