To use: Download this app on your friend's phone, start it, and then press the "Start The Fun" button. Make sure to close the app before giving the phone back to your friend. When your friend complains, tell them to uninstall this app, or have them start this app and press the "Stop the Noise!!" button.
Currently this application plays 3-second noise at 3pm, 4pm, 3am and 4am at random intervals between 5 and 20 minutes. Future versions will allow time to be configured.
Source code for this application is available on GitHub at https://github.com/boxhead201/NoisyPhone