Is there a server outage or problem about now?
I made a transaction at 5:11 Pacific time (for 0.40950000) and an hour later it's still unconfirmed.
The transaction doesn't show up in block explorer.
The app seems to think it's talking to the server just fine and I'm not having any network trouble.

The wallet address is: 152U2YVT27mWTbnDT5XnWxeGSjmr2Dk9e5