1.You can remove an app permanently from your phone by uninstalling it.

2.Tap on the 'menu' icon.

3.Select the app you want to uninstall by long pressing on its icon. An option for 'Uninstall' will appear with an X sign.

4.Drag the app to 'Uninstall' and drop it there.

5.The app will be uninstalled from your phone. Note: In case you want the app again, you can download it from Play Store.