Android Apps for Arduino with MIT App Inventor 2 . aia files Q&A Forum › Category: Arduino › Android Apps for Arduino with MIT App Inventor 2 . aia files 0 Vote Up Vote Down R. Storch asked 2 years ago I can not find the .aia files after buying and downloading the E-book. 2 Answers 0 Vote Up Vote Down R. Storch answered 2 years ago Excuse me please. I found it in arduino-mit-app-inventor-master/Code 0 Vote Up Vote Down Sara Santos Staff answered 2 years ago Great. I’ll mark this issue as resolved. Let me know if you need further help. Regards, Sara