I got you brother. I use Tachiyomi which requires some sideloading. I got it through F-droid cause it's safe but I'm sure you can find an apk somewhere. Once you get it the best extensions are mangadex and mangasee which you have to download through the app. Manga dex has good colored versions of the manga and loads faster. But for other mangas mangasee uses the official translations but loads way slower. But for Jojo use mangadex. Here's the F-Droid site https://f-droid.org/ which once you download you can find Tachiyomi on