MIDI File Player is a free Android application developed by Volcano Mobile SNC, falling under the category of Multimedia and the subcategory of Music and Radio. It is a perfect way to read MIDI files for musicians, which allows them to send events to the MIDI ports of virtual or hardware synths.

The application offers a range of features that include MIDI input/output port connections, changing speed, pitch, and main volume, adjusting channel volumes, and loop markers. Additionally, users can check notes played in the song, the song's key signature, and notes stats. The metronome start feature, which is accessible via a long press of the play button, sets the tempo for practice.

MIDI File Player is an excellent tool for musicians who want to practice and perfect their skills. They can change the speed to practice at their own pace, change the pitch to match their instrument's tone, and use loop markers for practice on a sequence. The application is user-friendly, and the interface is easy to navigate. Furthermore, the application uses a modified version of FluidSynth, and the source code is available on GitHub.

Overall, MIDI File Player is an excellent application that provides a simple and efficient way for musicians to practice and improve their skills.