Yes, T-Mobile works on Android devices. T-Mobile is a mobile network operator that provides wireless services for a variety of mobile devices including Android smartphones and tablets. T-Mobile offers plans with unlimited talk, text, and data for Android devices, and has a range of Android-compatible devices available for purchase. To use T-Mobile on an Android device, simply sign up for a T-Mobile plan and insert a T-Mobile SIM card into your Android phone or tablet. Make sure that your Android device supports the necessary wireless bands to access T-Mobile's network.