This tool is used for simultaneously playing of multiple audio files. You can assign any audio to any of 6x3 buttons by long tapping to it (you can switch screens by sliding them with finger, there are total of 3 views). By tapping on the button assigned file will be played or stopped depending on its current state. Also, buttons color reflect how long time has left to the end of file: green - more then 10 seconds to the end, yellow - more then 5 seconds, red - less then 5 seconds to the end. To clear all assigns, press the Option key on device and select "Clear All".
This is free version - it contains some ads.