This post is from a low-reputation account and contains an unverified outbound link. Be cautious before clicking external links.
App 1 English – Russian
(free / with ads)
based on:
“Invictus” by William Ernest Henley
https://play.google.com/store/apps/details?id=com.k1e5.er1invgp
K1E5 (knowledge first entertainment later)
series of videos and apps for students of foreign languages
http://www.k1e5.com/
http://www.athoughtthatstartsariot.com/