Reinstalling the app from Google Play
Your purchased apps can be reinstalled from Google Play for the life of your account. To find your apps using your mobile device follow the steps below:
1. Open the Google Play Store application.
2. Touch the Menu icon > My Apps > All.
3.Select an app you'd like to install, then touch Install or Enable.
If your device drop-down says "No eligible devices for app install," the app has already been installed on all devices associated with your account.