In my business, positive bottom line equals bonus for everybody. Percentage of salary to employees - same for all, up to three months salary. That is simple and works well, and is aligned with overall goals. And it is easy to report where we are. We don't have sales targets, which we maybe should...
chartboost is good for free apps. and facebook mobile app instals is good for paid apps.
There is not much background information when it comes to what your company is doing, but will try to provide some tips. Assume you are working with customers and have some kind of ticketing system in place, so for: 1) I would be sending a very short survey with every single ticket just asking...