This is an third party compiler that uses Sphere engine api to compile over 60+ programing languages via remote server
It uses API access key (Which is given by Sphere engine website on registration) and an API in remote server API is written in PHP , app passes 3 parameters to server namely 'source code' , 'lang' and 'inputs' based on these 3 parameter API communicates with the the Sphere engine compiler and returns output to Android app