fueled

 https://www.google.com/search?q=fueled

offline

 https://www.google.com/search?q=offline+apps

Building Mobile Applications - OpenCourseWare

http://cs76.tv/2012/spring/

https://www.google.com/search?q=open+app

super

 https://www.google.com/search?q=super+app

dojo

 https://www.google.com/search?q=dojo

iron

 https://www.ironsrc.com/

clone

https://www.google.com/search?q=app+clone

25 free sites to learn app development

http://www.blog.learnemy.com/25-sites-to-learn-app-development-for-free/

https://learnappmaking.com/

sliced

 https://appsliced.co/