by Wiki apps
✓ Wiki Encyclopedia gives you access to Wikipedia online encyclopedia, formatted for your Android mobile phone. Wikipedia Offline functionality allows you to save articles to your phone for later reading.
✓ Upgrade to OFFLINE DATABASES. From $3, download wiki databases of the most popular...
Wiki Encyclopedia — This app is basically Wikipedia for your phone. It remembers the language you've selected along with your customized text size preferences. The app can change between Wikipedia and Wikitravel. You can also select and copy text as well.