Твоя Победа: https://play.google.com/store/apps/details?id=com.ska3.war.android
Quiz Adda: https://play.google.com/store/apps/details?id=com.bsb.games.iq
Тест по русскому языку: https://play.google.com/store/apps/details?id=com.spielmonde.russian_orthography