Wow, thanks a lot for your detailed feedback, we really really appreciate it! :D
Regarding the endless-run score, your're perfectly right! Endless-run games work when you can see how much you did, and in the moment when we were about to implement the score number, we realised that... it was text ^^" We thought about giving up the "Textless" wildcard - but what an effort loss! - or implementing a graphical milestone system. That last would have worked, but only if it was "endless" too, and we had no time to design it. Anyway, we're glad that someone had our same perception, we hope to update the game in a nearby future!
Other than that, your hint about the time-trial is really intriguing, thanks a lot for the suggestion and -again- thank you so much for your comment :)