Do you feel very hard to remember some Linux command or their parameter?
Do you want to take advantage of commute time to read the document?
Are you tired of other document reading app which build with the heavy UI and ad. reading ?
Arch Doc is exactly your choice. It packs almost all(10k +) documents which from the official arch linux repository (https://archlinux.org/packages/). When searching or reading the doc it does not require any android permissions, supports full-text search, no ads, find in page, click on related documents to jump, bookmark. Those convenient functions allows you to read man doc more efficiently, quickly and intently.

Docs pages including
man1 - General commands (tools and utilities).
man2 - System calls and error numbers.
man4 - Device drivers.
man5 - File formats.
man6 - Games
man7 - Miscellaneous information.
man8 - System maintenance and operation commands.
man9 - Kernel internals.

Features
No permissions, even internet.
No ads.
All documents is offline.
Full text search.
Find in page.
Add bookmark.
Navigate between documents

Happy reading and don't hesitate to send me feedbacks.