Did a quick search to find out the background - it turns out that the author had almost no prior Android development experience, and in 2013 it won the first pl

Did a quick search to find out the background - it turns out that the author had almost no prior Android development experience, and in 2013 it won the first place in the Android app challenged conducted by Telegram. https://vk.com/wall-55882680_36 https://vk.com/wall-55882680_36 [in Russian]