Direct link to the mentioned map: https://www.google.com/maps/d/viewer?mid=1Z1dI8hoBZSJNWFx2xr...

QtCreator has a nice GUI over the GDB. I was pleasantly suprised to see it worked really well, but - on the other hand - I didn't use it for any advanced debugging.

I have a Moto G 3rd generation, with FM radio enabled. Works like a charm, and it's not the most expensive phone around.