Tools

Extrude - extrude selected edges

Tex UV -> just scale texture coordinates of selection

   Scale to fit, only for 2d projection, fits entire texture within selection

Smooth normals ->  Smoothes each vertex normals by calculating average of normals of all faces that share the same vertex

Pure tri sel - when you import a model that has only triangles and it has a big triangle count it will speed up and fix the drawing. You can cut these models with LIN mode, delete faces etc.

Toggle > Camera -> First select any object that will determine where and how big the preview will be - there are issues with exposure time and sometimes images are too bright or too dark, or on some devices the image is not attainable

ATTENTION: YOU MUST GO TO APP PREFERENCES( menu File > Preferences ) AND YOU HAVE TO CHOOSE FRAME SIZE, THEN RESTART IN ORDER TO RETREIVE THE FRAME

Text editor - opens text editor

Minimize - enters Picture in Picture mode. Double tap to restore view or switch to all active apps view (in android) and select the app. Or if you can't see the list click Home button this should restore the view.

When minimized you double tap at the center of the PIP screen to restart rendering then choose home button to focus the app.

Force reinstall, forces to overwrite all files needed to run the app.