You can install your game app (GOG, LSS, Mafia City etc) directly from the bot using the built in App Installer.
You're able to select multiple accounts where you want to run the installer with the following steps.
1. Right Click and Select All OR click on the left of the Account Name to select each one individually.
2. Right Click and Select "Install Apps (Experimental)"
3. Confirm that you want to proceed with the process.
4. Wait for the Game App to install (Monitor the lower left corner dialog for progress).