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Android

1. First, you must go to the settings menu and then select "Apps" or "Application Manager"
2. Choose the "Downloads" tab and then you must select the application you want to remove.
3. Finally, you must select the "Uninstall" option and in this way, the application will be completely removed.

iPhone and iPad

1. The first thing you should do is go to the home screen.
2. Then, you must press on the icon of the application you want to remove for a few seconds, approximately five..
3. After those seconds, the app icon will begin to "vibrate" and in that moment an "X" will appear in the upper right corner.
4. Finally, you must press on the "X" button to eliminate the app permanently.

Windows Phone

1. You must go to the full list of applications and then, find the application you want to remove.
2. Press and hold on the application until a context menu appears.
3. In that same menu you will see the option "Uninstall", which you must choose.
4. Finally, you must confirm the choice by pressing "Yes" to, in this way, permanently delete the application.