Thanks. Its basically an anonymous, location-based chat feed that lets you post whatever you want to people nearby or around the world.
I don't see why your advertising it as anonymous. We need to give you our location to use the app, which gives you a very good understanding of possibly where we live/are at, and if someone uses it at their house, you could track them down. Used it at their work? You can narrow it down quite easily. Shopping mall? Might be harder, but you can get a fairly good idea.
It is
not anonymous.
It's the most anonymous app of its type but no I wouldn't rely on it as a political dissident, whistleblower, etc. Snowden should stick with Telegram for the time being in other words. But for regular consumers, it should suffice.