Jalmus users can increase their skills in note reading, intervals, and chords through different interactive exercises. There are also activities to practice tempo.
The answers can be entered in the program by using the mouse, the keyboard, or an external MIDI keyboard. There are 12 lessons included in Jalmus. You can change the lesson from the Game menu.
The program interface is in English by default, but you can change it to other languages on the Settings->Language menu.