Android Question Problem with App Icon

[rbk]

I've two app with similar icons with the same resolution (72 x 72). I installed the two apps in my phone, but one of the apps (Tizón Tardío) show a lower resolution on his icon. Can someone help me how to repair that?
Attached image show the problem.

 

[Erel]

Do this test, change the package name of the app with the low res icon and install it. Is the new app icon resolution fine?

If not please upload the icon file.

 

[rbk]

Thanks Erel it works fine now.
Why did this happen?

 

[Erel]

Android sometimes caches the icons.