Ever wanted to get the experience of trading stocks without the risk of losing your money? One new option is the Invstr App. Created by former Deutsche Bank Managing Director Kerim Derhalli the app allows users to trade on real markets, in real time, but with virtual money. This year Kerim's launching the Student Investment Championships using the app to get more young people interested in investing. Our reporter Tom Hill joined Kerim for the launch of the championships to find out what it's all about.