That's enthusiastic to see applications being developed with the sole purpose to deal with cryptocurrency and blockchain technology! The Gravity Mobile Wallet is a marvelous project that eases the transfer and storage process of the ZGV tokens. At [Blockbasis](https://blockbasis.com/) we are also a bit fanatic about transactions within cryptocurrencies like BTC, ETH and LTC, as we allow our users to send and receive cryptocurrency via email.