This app has a function to mask words or sentences you want to memorize.
You can use files, picture taken by camera in the device, image file in "Photos", pdf in the device, web page imported using the function "Web Search", and can create text by your self.
You can choose between "Masking" and "Answer Insert".In "Answer Insert" mode, can use like a flashcard.

◉Available files
-Image files in "Photos" app
-Picture taken by camera
-PDF in other app (for example Safari, Mail, Dropbox)
-Web page imported with converting to JPEG (using function "Web Search")
-Text created by your self

◉Answer Insert
-Put buttons and insert the answers to it
-Can relate the answer to default dictionary in the device
-Can relate the answer to specific web page

◉Results
○Record results per the masking
○Change the masking color depends on a percentage of correct answers

◉Masking
○Pinch in/out
○Fix horizontal or vertical line
○Change the masking color and width freely

◉Support iPhone and iPad