Super Mario Bros 3 Tricks is an app that lets you get information about Super Mario Bros. From the main screen you can access different sections, such as Mario's official Facebook page and Twitter account. There are also links to walkthrough videos on YouTube.
Unfortunately some of the app's sections might not work properly. In that case, you can just type the app's name, Super Mario Bros 3 Tricks, on YouTube to access almost the exact content of the app. That said, don't expect any miracles: Super Mario 3 requires at least some degree of skill, even if you use tricks.
Editors' Note: To download the application, click on “Download” button. Enter your log in details. When download is completed, go to your app bar, click Downloads and find the file you just downloaded. Open the file and press “Install”. Please note that this download may not be available in some countries.
Read the instructions about the installing and removing the apps here