Hi @Ingvar. Apologies for replying in English. I’m sorry to hear about the visual issues you’re facing in the app. Have you tried downloading all assets from the in-app settings to see if it helps? Additionally, restarting the app might also resolve the issue.
You may also check out this update for tips on troubleshooting lags and freezes which may prove beneficial in this matter: ラグやフリーズに関する問題について/Issues related to lag and freezing