Fun game with a funny backstory.
I just played your game update and the original, I prefer the original graphics for background and player character, would be nice to have them as a skin option too (circles), the new UI looks better, by the way the options of turning music and screen shake off don't work properly I think, at least on browser.
And to answer your other questions I think it can work better on mobile as the player can guide with their finger where to go. For fun I would give it a 6.5 and it has a decent UI.
By the way I'm the other team member on the Dora-out! game entry.