Visual Novels for IOS and Android:
Love Live: Visual Novel + Rhyme Game
If My Heart Had Wings - IOS and Android
Steins;Gate - English version is only available on IOS
Lily's Day Off -A cute, short visual novel on IOS and Android in which each choice affects your ending drastically
Get Dumped - Android
Nicole - Android
Otome and Dating Sims:
Mystic Messenger - 90% of game takes place in a text format, there is still visual novel mode, available on IOS and Android
My Horse Prince
SweetHeart
Midnight Cinderella
Princess
Love Triangle
Love Magic
My Star
Bodyguard
Butler Until Midnight
Hope I helped you out!