Crashing a lot on android platform

Locking a lot on the android platform, when attacking MOB, locks sequential attack moves, crafitted blocks when they break, come back, having to repeat the craft to break them or get them to the inventory. slow when moving. slow to form world.

my equipment:

CPU: S905X3 Amlogic Quad-core bits
Internal Storage: 32GB eMMC

Memory: 4G DDR3

GPU: Mail-G31 MP2

System: Android 9.0