This is a small open source non-commercial project made with C++ on Cocos2dx framework.
This app is one of the simplest sun angle (position) calculator. You can give it a specific time, day, month, and location and it calculates the sun azimuth and sun elevation for you.
This app uses Solar Position Algorithm (SPA) library developed by National Renewable Energy Laboratory.
No GPS permission or other is required. Everything is manually entered.
In order to run, clone this repo, then follow build tutorial on Cocos2dx website. Note that this app uses cocos2d-x-3.4 Jan.30 2015.
You can download the app from Google Play.