You may have already fixed some of these but:
The word "down" briefly appears during the text scroll for one of the leaflets (pictured below), then vanishes, presumably due to word wrap (I guess it's on the 4th line...
The "Main Menu" button on the "thank you for playing" screen doesn't work.
Clicking on the TV again after playing the duel gives you the "find the remote" quest/dialogue again, overriding the "find the leaflet" one.
Finding the Sapphica leaflet does not update your quest display. (Pictured below)
I managed to interact with the TV twice at once. Results below.
...Actually you can interact with it (and probably other objects) even while the text box is still up... (results below)
...with interesting results. Game seems fun, though, looking forward to playing it when it's been expanded on a little.