I recently got a TI-84 Plus graphing calculator, and I'd like to add games on. So, I installed Mirage OS, went to http://www.ticalc.org/pub/83plus/asm/games/mirageos/rate.html picked out the tetris game. I downleaded the .zip, and dragged it into device explorer and attempted to add in the game. But, it either doesn't work or goes under programs, and you can't play games on programs. Please help!