ThoughtBox Learning make beautiful educational apps by applying the principle of Gameful Learning to engage a young audience - primarily with their Numerosity suite of Apps that teach Addition, Subtraction, Division, Multiplication and soon, the Order of Operations.Named as one of the Best of App Store 2012, ThoughtBox is led by Cristinea Luminea, the Founder and CEO who I spoke with about coding in schools, working in partnership with established brands and about quitting your job, because you think you have a good idea.