Yes, it is possible to remotely control an Android device using TeamViewer, but not all devices are supported yet. TeamViewer for Remote Control is the app that allows you to remotely control your PC from an Android device. TeamViewer QuickSupport is the app that is needed to control your Android device from your PC.
Similarly, can TeamViewer be used on iPhone?
Make sure, every device is set up correctly in order to use the screen sharing functionality for iOS devices. Therefore, you’ll need to do some preparations before you can connect to an iOS device. Download and install the TeamViewer QuickSupport app for iOS on the iPhone or iPad you want to connect to.