Purring BGM is a simple player that keeps playing cat purring sound.
Please use the app when you want to be relaxed, or focus on something.
Using headphones or earphones would be recommended.

----- How to use -----
- Play or pause sound
Press play-pause button on the screen.

- Sleep timer
Press timer button and control the picker and press "Set".
After the time passes, sound stops.
To cancel the timer, control the picker to 0 "Off", and press "Cancel".

- Background play
After the app goes into background, it continues to play sound automatically.
While listening to the sound, you can use some other app (if sound is not used in the app).