How do I know the status of a game that has been selected to download?

Once you have selected a game for download, a progress bar will appear on the game's detail screen or in the My Games section. 

While you may select as many games as you'd like for download, only three games can download at the same time. Additional games selected to download will be placed in what is called the "Queue".  Games that are in the Queue will start to download automatically once one of the three downloads that are already in progress have finished downloading.

Games that are finished downloading and have been installed can be launched from the game's detail screen, My Games, or the game's icon that is placed on your phone's applications folder, where all your other phone's applications are displayed.