Every moment when you do something for the first time is truly unforgettable. So my first Android app was not an exception and this blog post will not be the one. The event It was about half a year ago on VL Hackathon #4, a local hackathon provided by great people, mostly volunteers. Hackathon lasted for 48 hours and for this time these people treated us as well as they could. Of course, I was not alone, there were two teammates Vasiliy Nikiforov and Peter Nazarov who are also in my study group. If you think that we already knew what to do and how to act on hackathons you're totally wrong, that was our first one. Actually, we didn't even know how to use Android Studio! But we picked the idea, not the best one (actually, I think one of the worst ideas we could pick :) ) , but the easy one, that idea which we could implement within 48 hours without any knowledge about Android Development and with only one member of our team who knew Java at some decent level, it was Peter....