This app was mentioned in 3 comments, with an average of 3.33 upvotes
Tainted Keep https://play.google.com/store/apps/details?id=no.ravnstudio.cardboard
Super Legend Of Flynn https://play.google.com/store/apps/details?id=com.davidamado.littlevideogamehero
Elder Towers https://play.google.com/store/apps/details?id=com.AkashanGames.TET
Also holy shit you guys, 100k downloads is not really "lesser known".