A dedicated mobile wallet is a game changer for Steem. It is a superior settlement platform for value exchange as Brian wisely mentions due to speed, zero fees and simplicity of transfer to user names. I can't wait! Here is a post I wrote about it a while back:

STEEM & STEEM DOLLARS Mobile Wallet = Zero Transaction Fees! Calling Steemit developers!

https://steemit.com/steemit/@sequentialvibe/steem-mobile-wallet