Open Video Editor is described as 'Lets you edit your videos. It supports HDR and allows to apply filters. With this app you also can trim, scale, and rotate your videos or even grayscale them. It is also possible to use this app to extract audio from a video, to convert a HDR video to SDR, or' and is a Video Editor in the photos & graphics category. There are more than 50 alternatives to Open Video Editor for a variety of platforms, including Windows, Mac, iPhone, iPad and Android apps. The best Open Video Editor alternative is Kdenlive, which is both free and Open Source. Other great apps like Open Video Editor are Shotcut, DaVinci Resolve, OpenShot and Avidemux.
At the time of writing it doesn't have a watermark when you export. The export options are limited only to the resolution choice witch is sad but prevents bad quality export for non professional editors. It is my editor of choice on Android until I find something better.