Unity 5 - AndroidManifest.xml:4: error: No resource identifier found for attribute 'isGame' in package 'android'

Questions & Answers
1

How can I fix this when port to android kitkat in Unity 5? Thanks.

2

Solved.
1 - Install API Level 21 in Android SDK Manager.
2 - Select API Level 19 in Unity player settings.
3 - Build and success test on device.

3

Install API Level 21 in Android SDK Manager is right.Thanks!