This extension is supported by Game Maker Studio 1.4 and GameMaker Studio 2 contact me at firstname.lastname@example.org if you have doubts or problems
Guitar Tuner for Android
Play a string and receive margin error to tune your instrument!
Also you may play the sound of a chosen string.
Test all our .APKs here https://drive.google.com/open?id=0B098RnWKEU5lZkpSZWs3VkU3Y2c