One of our GSL-Alums, Yin Chung, has shared some great resources that he has found useful and hopefully you will to!
Some resources for Android:
https://www.youtube.com/user/derekbanas/videos
https://commonsware.com/Android/
Jake Wharton Libraries (well known developer that works at Square and in the Android Community):
https://square.github.io/retrofit/
https://square.github.io/picasso/
https://github.com/JakeWharton
General Entrepreneurship information:
http://www.talkingtohumans.com/
http://www.foundersatwork.com/interviews.html
https://steveblank.com/tools-and-blogs-for-entrepreneurs/
Podcast/Youtube: How to start a startup
Video on pricing: https://www.heavybit.com/library/video/harrison-metals-michael-dearing-on-pricing/
We will reference some of this material as we go through the course. Enjoy!