
Hi @aimanoz ,
Could you please turn off “Explicit column selection” and “Improved app rendering” in you App settings->Advanced settings panel and try it again?
Could you Please check if the version of the PowerApps Mobile App within your clients' Mobile Device is the latest version?
If not, please consider update to the latest version, then check if the issue is solved.
Please upgrade your Android device into the latest Android version, then run your app again, check if the issue is solved.
More details about the system requirements for Android Mobile Device, please check the following article:
https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/limits-and-config
Best Regards.
Yumia