Regarding Joplin: I don’t know what you mean by callouts, but it does have a plug-in system. Perhaps there is one containing what you need?

If not, and it’s not beyond your skill set, you could build it yourself.

Install it on your PC and ask if how to install on Android.

Very cool. This coming week’s project.

Are they grooving with several species of small furry animals in a cave?

It’s a Minecraft joke.