I have the same problem. And if we're talking about the phone I think that's not the problem. I was able to play the game before with my phone but when I update it to the lastest version, it began to kick me out whenever I enter the game
0.29 did require much work on the code for the battle system, i think only Caro knows about Android stuff fairly well, so i suggest reporting it on the Discord with the model you are using