There are 2 repositories under nhentai-client topic.
A nhentai client
(NSFW) NHViewer is a simple third-party nhentai client for Android
Crawl your personal favorite images, photo albums, comics from website. Support pixiv, yande.re, nhentai for now. 爬取你个人收藏的图片、写真集和漫画。
Android app for browsing and downloading content from Nhentai.net - currently in development
An unofficial NHentai android client + VPN (https://github.com/Dar9586/NClientV2/tree/master)
🔞 A library for nhentai.net http web api
Java client for nhentai
A Flutter nhentai client for iOS and Android (NSFW)