Want to play NES games on your Android device? Definitely look out for Nesoid, an NES emulator that claims to play 95% of the NES ROMs out there. It is able to run games at 60FPS for great gaming experience.

It supports loading and saving the game’s state too so that you can start from where you left. Available at Android Market.

RepliGo Reader is the most advanced PDF solution available for Android. Use it with Gmail and your browser to read PDF files on the go. Supports multiple zoom levels, a fast reading view, text search, bookmarks, hyperlinks, file management, embedded fonts, password protected files, attachment saving and sending with Gmail.

Pricing: $7.95 USD;  Available on Android Market