Tapping the INSTALL button will begin the installation process. Once the download has been completed, the DOWNLOAD button of the game in the App will change to INSTALL. This will start the download of the application from our servers, and your device will notify you when this is complete. Secondly, you must tap the DOWNLOAD button for the game, which is located either on the browsing page where the game's title is, or on the game's product page itself. Always check your available space on your phone before attempting to download an App.
Firstly, you must have enough space on your phone to download the App.