This is a hugely interesting article. I used to prosecute corrupt betting practices in horseracing - before I decided to join the startup ecosystem - and this is a huge problem. A combination of human refereeing delay and TV transmission, combined with the betting public's desire to have in-running better on all points/outcomes, ensures that the race is on to get the result of any point up to the exchanges before the market settles. Some say that the advent of Betfair caused this problem, this is of course not true, it simply gave the normal punter easier access to a greater range of options (i.e. lay betting).
I've been waiting for this app for a very long time, delighted to spend £2.49 to test it out. Impressed to read here that develop is only 17; well done!