Free now

I guess if you were brave or desperate you could actually use this charming piece of porcelain and timber. I suspect that the owner of it would rather that you took it home to use it, which is why it wasn't chucked in the skip with the rest of the building debris.
So many apps include the ability to give a pseudo Polaroid frame to images along with all their other functions, but with the Polarize app, that's all it does (and add some text if you'd like).