It's a Pac-Man clone. Here's an image of the back of the box.

I'm working on something where you can replace all 100 regular rounds, the 5 special rounds and the 10 bonus rounds, along with the associated passwords, yes. That's not finished yet.
As for speeding up the movement, I haven't looked into that specifically. I might take a look at that in the future!

Thanks, I'll definitely give Cube Droid a look! Direct ROM export was also on my todo-list for the eggerland editor.