It is.
Kodi will load a special keymap when it sees an OSMC dongle. Since the Vero V has an internal dongle this keymap will always load by default. This keymap has the long-press enter key nooped globally as it is redundant when you have a menu button on your remote. You can change this behavior in two ways. First is to just manually add a keymap to map it back to global. Any mappings in your userdata will override the ones loaded before them. The other option is to just disable the special keymap entirely to go back to standard Kodi defaults which is explained in the following guide…