No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

Mangavania

Join the adventure as Yuhiko, a young ninja who has gone to the underworld to find a cure for his brother. Free the lost souls to advance to the next level. Find Spirits in secret places – they will tell you a story or give you advice. Explore dungeons, fight monsters and meet new friends!