The Dark Master Version 1.0 offers "MasterSO" shell for the Nintendo DS that includes a tester keys , an MP3 player, sound recorder , a notepad , a paint program, an alarm clock, stopwatch, a piano , a file to install applications and more , launched a game of dice , a calculator . You can also find gadgets on the top screen that tells you the date , time, battery status , and the phrase of the day customizable .