NAPA is an App that can be used to build Office 365 Apps! Demos can be watched from : http://www.youtube.com/watch?v=cMncoC1yJ9A&list=PLKQ7ty4e2eCyusQI-vqIn-ZbBXJLD2zjD&index=1 http://www.youtube.com/watch?v=RtGZ6d6twug&list=PLKQ7ty4e2eCyusQI-vqIn-ZbBXJLD2zjD&index=2 http://www.youtube.com/watch?v=AaZEY7LgFcg&list=PLKQ7ty4e2eCyusQI-vqIn-ZbBXJLD2zjD&index=3