If you are running on AOSP it is best to download the app from our download page instead of the play store. This also occurs to some AOSP devices that may also be supported but you need to download from the website.-Website Downloads-Android Host DownloadAndroid QuickSupport DownloadAOSPWe do support some AOSP devices. Why can't I control my Android device? Can't TeamViewer make it possible?TeamViewer is capable of both viewing the screen and remotely controlling a range of Android devices. However, we, unfortunately, are not able to support all manufacturers or ROM's for these features, especially remote control.Screen SharingScreen sharing is available for all Android devices running Android 5.0 or higher.Remote ControlFor remote control, we have a list of supported manufacturers in our article Supported manufacturers for remotely controlling Android devices.For devices not covered in this list, we offer the Universal Add-On for devices running the TeamViewer QuickSupport App and Android 7 (or newer)Cannot download Add on from the play store / AOSPThere are a small number of devices that are on our supported manufacturers list that are supported but are unable to download the add-on from the Playstore.

FAQ : Remote control for Android - TeamViewer Support

Teamviewer support for mobiel devices