The treasure trove can be with you any time, anywhere.
"Spanish Wikipedia Offline (the full version)" is your must-have offline encyclopedia App for daily referencing. It contains all the Spanish Wikipedia articles for your offline viewing and knowledge searching without requiring connecting to the Internet. This App contains 2,604,946 Wikipedia articles in total (as of June 13, 2014) including redirects; with it, the entire Spanish knowledge treasure trove is right in your palm.
In any case, with the availability of network, or not; no mater what the quality of the network is, good or bad; whether you are on the road, on the way to work, studying in the library, or resting in the cafe, in an exam(?), arguing with your friend(s), or in a place without too much resources, even in the time of crisis when you need it the most, it can provide all the information you need, answer your question(s), solve the puzzle(s), settle the argument(s). Whenever you need it, it will be there to to help you out.
Secondly, to make your knowledge quest easy, this application is embedded with a super-powerful full-text search engine. Simply with the keyword(s) you typing-in, search results could be returned to you instantly.
Most importantly, being offline and having the ability of searching article locally mean your privacy is safe with yourself. You can simply say no to all the online tracking and spying on what you search in Wikipedia.
Hope you like it.