Hello the cyber dolphinus team!
I just want to know first if the speaker is ok for play a great sound!
If yes, let’s code something from that 
http://a4e.ovh/melody/melody.html
that’s my code for web devices iff someone can say to me how to run it on the flipper zero we can work together
or something like the nanoloop on Gameboy can be crazzy…
https://www.youtube.com/watch?v=UkZKREVQ148
see you !
Morigoutte.