"Unable to install this app"
- Apps whose minimum required Android API level is more than 17, and whose maximum supported level is less than 10.
- Apps that include no launchable activity.
- Apps with more than one launch icon.
- Widget apps and apps that are only meant to be Widgets. Apps that include widget functionality as a secondary feature are supported, as long as they define one launchable activity in their manifest.
- Applications that implement an alternate home screen.