It's a free android app that scraps latest memes from various subreddits with the help of an open source free API(https://github.com/D3vd/Meme_Api). 18+ Content.. User discretion advised.
If you want to add more subreddits: Go to app/src/main/res/value/strings.xml and in the strings.xml file add a line nameOfSubreddit and save the file then build the app in Android Studio.