To apply these patches on Android without using a PC, you need a dedicated "patcher" app.
Xdelta is a robust, proven way to deliver small binary updates. On Android, the common solution is to create patches on desktop/CI and apply them on-device with cross-compiled xdelta binaries, wrapped by your app. Key concerns are verifying checksums, handling storage/permissions, and balancing patch compression vs. CPU/time. xdelta patcher android
If you are into handheld emulation on devices like the Anbernic or Retroid pockets (which often run Android), storage is premium. By keeping your library as "patches" and "base ROMs," you save massive amounts of space. You only patch the game when you are ready to play it. To apply these patches on Android without using