Chrono Poker DS is a “in real life” poker players helper :

After editing a “blinds” structure for your game, launch the countdown. It will ring 30 seconds before the blinds increase, and once again when the timer reaches its end!

“Just play poker, Chrono Poker DS makes the rest !”

http://palib.info/forum/modules/newbb/viewtopic.php?viewmode=flat&type=&topic_id=4014&forum=28