Here is a link to download the .apk file intended for much older devices. I can't promise it will resolve your issue, but it might help narrow down some issues: https://mega.nz/file/2jxCgD7C#imS1_uYRbFKXudGs68BYuITbF0dKWg28X4MQFp5ei7o
I have been reading that players using much older phones do experience lag in animations and there are a notable amount of them in game. I want you to be able to play the game, but you might get a sub-optimal experience. No matter what, I'm adding "touch only name input" on things to investigate for v0.4. Good luck!