You can study to memorize words or sentences by masking them with drawing line. √ Image file, pdf, text file available √ Color of masking line changes basing correct answer percentage √ Available as answer insert type √ Can track marks only by one-handed operation √ Assist to draw for masking by automatic adjustment (when use pdf) and angle fixing √ Can execute batch masking using searching function or masking table (when use pdf or text) √ Can write by finger or pencil on page (iPad only) ◉File Import ＊From cloud storage (using iOS File app) ＊From iOS Photos app or camera in device ＊Web page imported using WebCaputure app ＊Can create text from blank page ◉Answer Insert ＊Available as definition, translation, synonymous words etc. ＊Can write text as the answer ＊Can relate the answer to iOS dictionary ◉Result ＊Result is recorded per the masking ＊Editable results ◉Other ＊Support iPhone and iPad ＊Support portrait and landscape mode ＊Can manage books (created in this app) using folder ＊Share book with other users ◉Attention ＊Cannot synchronize between devices using iCloud (Can restore backup data using Dropbox)