* NEW: Use swipe gestures to switch between different topics
* View content offline
* No Ads
* Test your knowledge with quiz (more question will be added soon)
* Easily zoom in or out to view images
* Change the font size to read easily, either on mobile phone or tablet
* No permissions required
* Internet connection not required
★Test your knowledge
★Questions test your understanding of the commands
★Questions can be flagged for later review while the quiz is in progress
★Correct answer, along with the explanation is displayed for each question once the quiz is over. User answers are also displayed
★Questions that are left unanswered do not reveal correct answers
Feel free to give us your feedback/suggestions at email@example.com.
If you face any problems, let us know. Please avoid leaving negative feedback in the comments.
NOTE: Text size changing feature is not available on Android 3.2 and below versions. Therefore, the corresponding icons won't show up on these versions.