The app was created to amplify and record sounds in small gatherings. With Bluetooth connection becoming popular for most gadgets, the application should be simple to use with any Bluetooth speaker/headphones.A Bluetooth connection to a speaker is required for the mic functionality. Features of this application :-Recording through phone mic and play back of recording-Project sound through Bluetooth speaker-Simultaneous projection and recording of soundThe application can be used in small gatherings to make speeches; from school assemblies to birthday parties, there is no limit on the usage.Share your use case in the comments for others to test.