Phone numbers are tightly tied to online identities (people can find a lot of information about you this way), so throwaway #s are crucial
I'd love an Android version
Really great concept & the app works nicely. It helps me maintain my privacy when I have to give out my number to people or services I don't trust.
As more companies (and governments) collect more data on everyone and use it for their own profit or unfortunate tracking scenarios, it just makes sense to only have to truly identify yourself online when you really have to and when you really trust that service