AppSelector is a pre-installed app that appears when you first set up your phone on T-Mobile devices. It is a feature that gives you more control over the apps that can be installed on your device during the initial setup process. AppSelector is available on select Android devices. It helps you download, install, and manage apps on your device. Once youve completed the setup process, AppSelector can be found in your devices app settings. The applications downloaded through AppSelector are visible in your tray just like any other application downloads. All applications downloaded using AppSelector are managed and updated through the Google Play Store after the initial setup is complete, just like any other app. AppSelector can come in handy when you are setting up your device for the first time and need to download applications that you will require on the device. It recommends a list of app recommendations based on a few options that it prompts you to choose from when you first open the app. This way, you can discover a few hidden gems that you never knew you needed on your device. AppSelector is available on most T-Mobile and Metro devices operating on Android 8.1 and above.