Simple and fun - could use improvements – Tunnel Review

This is possibly the first app I ever played on iOS and was played on the original iPod touch. It was worth the $0.99, but after some time, the game could use some improvements l after these years... Colors: remember how Flow Free has skins? Yes, that would work perfectly. Game Center compatibility: Y'know, so we can challenge our friends and stuff! Score during games: Me + Long game + No scoreboard = Me going crazy. Thanks! P.S. I know that the whole point of the game's atmosphere is to make you on the edge of your seat of whether or not you beat your high score, but a settings menu is also overdue.
Review by Thehiltyfamily on Tunnel.