Go to the Lobby Store of your Lobby installation and search for the app you need.
Click Install button and everything for you will be taken care by Lobby.
Follow the instructions below to manually install apps.
- Download the App's Zip File. You can find apps at Lobby Store
- Create a folder in contents/apps with the name of App ID
- Extract the contents in the Zip file to the newly created directory in contents/apps.
- Activate the app through the App Manger of Lobby.