I just realized that you can type the numbers in, but that still leaves the + / - buttons pretty much worthless.

New user here. Just bought the Kindle HD and installed the iScore app getting ready for a tournament this weekend. When I add a new game and try to change the start date and time, a small window pops up with (+ / -) buttons for the date and time, but I cannot see any numbers. Is this a know issue or...