Uber- Android India

Hi Guys,

I am following Caurmen’s mobile appetizer (great job simplifying stuff Caurmen!)
Just launched my first campaign promoting Uber in India.
Here are the overall results :

13460

Offer payout is $1.25 , I’m wondering how much I should be spending prior to stopping the campaign.

Here are the creatives:

13461

And as a general strategy, how many offers should I be testing at a time, how many times offer payout should I be spending prior to cutting ads. What do you guys think of the creativ ...