Teams Personal app Compatibility: Can we show unsupported message in teams app for ios and android?

In teams personal static apps for compatibility, the app should support below OS or browsers: 

• Microsoft Windows
• macOS
• Microsoft Edge
• Google Chrome
• iOS
• Android

But the app we are building don't support the android or IOS versions, can we show graceful failure message in IOS/android or inorder to pass the app submission we should make it working in IOS or android versions too?