Download the Stick Hero: Mighty Tower Wars app by navigating to the Google Play Store
Once on the store, click on the search bar at the top of the screen
Next, type in 'Stick Hero: Mighty Tower Wars' and select the first option
Click the "Download" button and wait for the app to start installing on your mobile device. Depending on your download speed, this should only take a few minutes
Instruction on Uninstallation
If you no longer want this application on your mobile device and want to delete the Stick Hero: Mighty Tower Wars app, then you'll need to navigate to your Applications Manager
Once there, you'll be able to scroll through your apps until you reach the Stick Hero: Mighty Tower Wars app
Click on the application and hit the 'Uninstall' button
Wait for the app to uninstall from your device. It will take all the app's data with it