vi Ref for Android by Libor Benes (Dr. B)

Designed for programmers, system administrators, educators, students, and vi enthusiasts on the go, vi Ref for Android is a lightweight Firefox extension offering instant access to over 200 essential vi commands - right from your mobile browser.

Features:
• Comprehensive Database: 200+ vi commands with clear, concise descriptions covering navigation, insertion, editing, visual mode, registers, macros, searches, buffers, and more.
• Smart Real-Time Search: Instant filtering by command key or description - perfect for quick lookups during mobile coding or terminal sessions.
• Mobile-Optimized Interface: Clean, compact popup design with bold red command keys in monospace font, aligned descriptions, and touch-friendly spacing.
• Offline Functionality: Works entirely offline with all command data stored locally - no internet required.

Security and Privacy:
• Fully offline operation.
• No Permissions.
• No Data Collection.
• No Tracking: No analytics or monitoring of any kind.
• Self-Contained: Built with pure JavaScript, HTML, and CSS - no external libraries or dependencies.
• Secure Design: Safe DOM rendering.
• Mozilla Compliance: Fully adheres to Manifest v3 standards and Mozilla’s strict privacy and security guidelines.

Fast, private, and always available.