When can we expect to get the key from the Groupees 'Shoppaholic 3 & Knuckles' bundle? Game looks nice :)

After getting both time medals in the first two worlds, the achievement did not unlocked after all. When I looked at the achievment progress, it always says 1/2 completed, as there is only two in-game bonus levels per world. Is there a way for the fix? I've been playing it for a while, and I'm satisfied with the challenge even for the short game like this. I like playing and earning achievements (trying to hit 100%), but the broken challenge related achievements like this makes me kind of unhappy to see ...

Has this game Leaderboards to compete with other steam-users or such a feature planned?

Which exact features aren't available for controller users? If anyone played this game using a controller - are the controls more comfortable than keyboard, or not? Asking because my wrists hurt and i can't play using keyboard very long. But the game looks pretty interesting and i'd love to give it a try if it's playable on controller....

On the fence here, but something that could help decide would be controls- if it's arrows-only for keyboard (which is what I'd use- keyboard) then that's a deal breaker. If it can be changed with remapping or also has a WASD option, then that's not so bad (aside from slippery ball control, if what I've read is true). A demo would be helpful as all these points could be confirmed/denied by trying it out for yourself. ...