I am not able to, unfortunately.
No, the game is completed and released as such.
Try with either the letters being full capitals or just the two T s
Unfortunately I don't have knowledge about developing on mobile platforms so I'm not able to create a port.
There's no speedup indeed but you have a fast forward button to immediately let the next wave spawn if you want.
You're welcome!
The password to play that level can be found at the end of this video
Just copy paste your save from the old version into the newest one and it will work
