There are a variety of NSFW subreddits that you can follow that cover a number of bases. MiKandi is an app store that specializes in adult content. Just be cautious because some unruly stuff does get posted there occasionally like The Fappening. Before, all you had were VHS tapes with poor lighting. The selection is quite large and includes apps, games, and even big name apps such as the official Pornhub, RedTube, YouPorn, and Porn Tube apps. Here are a few final app lists you might like!
10 best adult apps and porn apps for Android! (NSFW) (Updated 2019)
Just be cautious because some unruly stuff does get posted there occasionally like The Fappening.
Adults Hot Girls Wallpaper 2018
It's actually a nice break from the sea of professionally shot stuff that you're probably very used to by now. Streaming sites work better today than ever before and some of them even have Chromecast support now we're not kidding. Planet Pron is a high end porn app with a lot of good content.