Playing the Park: Field Recordings from Craters of the Moon
1) Download "MobMuPlat" ("Mobile Music Platform") on your phone from the app store.
2) Download this zip file on your phone.
3) Tap (or hold down) the downloaded file and a popup will ask if you want to open the file in MobMuPlat. Say yes.
4) Within MobMuPlat, go to the menu in the upper left corner, open "CratersApp1.mmp" within MobMuPlat and starting playing with the sounds!