This app is highly recommended and the real deal, a great way to review for your tests and the AP Exam. Links to 100's of Mr. Clifford's Videos. Also, some outstanding review questions, written by yours truly. Apps work on you tablet, iPhone, or Android phone. If you search for AP Economics, you can locate the app by finding the AC/DC logo at the top left.
Macro: Find it on iTunes here. Micro: Find it on iTunes here. Macro: Find it on Google Play here Micro: Find it on Google Play here.