C++,Pascal,ObjC,Bash,Javascript,PHP,Python,NodeRED,RestAPI,Arduino. XCode,Qt,Lazarus,Linux,AndroidStudio.
https://itunes.apple.com/us/developer/emir-fithri-bin-samsuddin/id336547457 https://play.google.com/store/apps/developer?id=GeneCode
I also write blog. https://xcodenoobies.blogspot.com