Pavel Durov says in his Twitter: it's the best Telegram bot ever!
Rickroll your friends! Just type @soundmemesbot rickroll anywhere in Telegram! There are thousands of sounds to choose from!
Written in Crystal - the best programming Language ever invented by a human being.
Uses my own Telegram framework tele.cr.
As for 26/08/17, the bot has 97k users & 526k unique sound posts.