This game has unused graphics.
Pocket Planes is an 8-bit plane simulator with a similar art style to Tiny Tower.
The Android version was taken off the Google Store on September 24, 2015 and the servers shut down on October 7, 2015. It was also taken off the Mac store, but the iOS version is still up...for now.
Unused Menu Icons
A large amount of menu icons in the game's resources are leftover from Tiny Tower.
An unused menu icon with the Awesome Face on it exists in the game's resources in menu_feedback.png.