For many, using an older device with Android 5.1 is a way to experience the game "as it was" when the mobile port first launched. It avoids some of the graphical glitches found in newer "remastered" versions and allows for easier modding (such as adding the
Android 5.1’s audio HAL can cause static during dialogue. Turn off “Dynamic Music” and reduce SFX volume to 80%. Disable Dolby or any EQ effects. gta sa android 5.1
Difference between Android 1.0 and Android 5.1.1 - GeeksforGeeks For many, using an older device with Android 5