The Add-On: TrekStor Surftab and SPC Gravity 4G is a program developed by TeamViewer for Android. This free app is categorized under Business & Productivity, but it is not a stand-alone app. It is an add-on that is available through other apps automatically on supported devices.

The purpose of this add-on is to enhance the functionality of supported devices, specifically the TrekStor Surftab and SPC Gravity 4G. It is compatible with Android 9.0 and provides additional features to these devices. However, it is important to note that this add-on is not available for download by itself and can only be accessed through other apps on supported devices.