Good.
We need proper Libre phones out there. So long as there's viable Libre software that can do this, there's choice and we can avoid lock-in and stagnancy. Also, there's a lot to be said for a phone that can be modern whilst still being simple.
They should put a lot of focus on battery life. Firefox OS on a device with really long battery life would be outstanding for many parts of the Indian market.
Pint for the Mozilla crew - launching a new mobile OS is a lot of work!