Arrows move hosted focus between buttons and panels.
Enter / OK activates the focused control.
Back / Escape / Backspace closes panels, then calls hosted back callbacks.
Play / Pause / PlayPause always control playback.
Rewind / Fast Forward seek through the shared built-in progress preview, with sprites when available and the no-sprite fallback handled by the core player.
Red / Green open Subtitles and Settings.
Yellow / Blue open context actions like Episodes, EPG, Channels, or Back.
Channel +/- change channels in Live/EPG, otherwise jump 60 seconds.
Info triggers the Smart TV info callback.