An app made for ASMR enthusiasts (keyboard sounds specifically), using Flutter.

https://play.google.com/store/apps/details?id=com.SalihOzdemir.KeySMR

This is an app that uses keyboard sounds and pleasing music and ambient sounds to create a soothing environment for you.
If you are like me and you like to listen to ASMR and especially keyboard sounds to focus, study and sleep, this app might be enjoyable for you.

-Change the "Speed" to simulate the typing style you like the most.
-Change the "Randomness" to create a more natural typing style as you like.
-Choose between different types of keyboard sounds.
-Add different ambient effects to max out your chill.
-Feel the realistic simulation thanks to tens of individually recorded key sounds.