Write an Android application

You open the app and on the main screen are two options ones is called create new track And the other option is called saved tracks if you click on the create new track button then it takes you to an option screen where you can select from a selection of musical Instrument to correspond to what the user is playing once an instrument is selected it takes you To you to a screen witch is music paper with a record button on it Witch when pressed will start recording the notes that the user is playing and put them In the correct places on the music paper when the user has finished playing there will be a stop button to stop recording there will also be a pause button to pause the recording at the users request also on this screen there will be a play back button so the user can hear what they have played on this screen there will also be a save button witch will save the track the user has just made this will get saved in a folder witch the user can accesses by clicking on the saved tracks button in the main menu when in the saved track menu by clicking on any of the saved track it will open it in the composing screen.