Ah gotcha. I don’t know of a foss version but you can use Buzzkill or STFO to make a notification rule that turns up sound for a matching text message or something like that. I.e. send a text “ring my phone” and make a rule for it to do a sound
https://www.google.com/android/find/
You can use the play sound button to make it ring
Debug single threaded code, log multi threaded code.