Today educational applications, platforms and resources are confidently gaining in popularity worldwide, especially as the number of COVID-19 cases continues to rise. Universities and schools nationwide hurriedly shift to virtual classrooms in an attempt to curtail the virus spread and ensure the co...

Android is a mobile operating system developed by Google, based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets. Android’s user interface is mainly based on direct manipulation, using touch gestures that loosely correspond to real-world...