In the online-version the first scene loads and freezes. None of the controls work.
Viewing post in Grocery Quest mini (GB Studio) comments
Hm, I just tested it in my web browser and it seems fine. Did you make sure to click in the window to make it 'active' and then use the keyboard controls? (they're laid out right below the game screen here on the web page). If that still doesn't work, it must be some incompatibility with what browser you're using and how this website runs this kind of software?