赤ペン 提出カメラ is a submission-specific app developed by Benesse Corporation. It is part of the services provided to students enrolled in the "Shinkenzemi Elementary Course," "Shinkenzemi Middle School Course/Integrated Middle and High School Course," and "Shinkenzemi High School Course." This app allows users to capture and submit answer sheets for "Red Pen/Correction Assignments," "Practice Tests," and "Rehearsal Tests" using their iPhones or iPads.

With赤ペン 提出カメラ, users can conveniently submit their answer sheets by simply taking photos of them with their devices. The submitted answer sheets will be returned via the member pages of each course or the "Assignment Submission/Goal Setting" section on the website, within the following approximate time frames: 3 days for the Elementary and Middle School Courses, 4 days for the High School Course, 10 days for Practice Tests, and 7 days for Rehearsal Tests.

Please note that this app recommends the use of cameras with a resolution of 8 megapixels or higher and is not recommended for use on iPhone 5 or earlier models, iPod touch 5th generation or earlier models, and iPad 4th generation or earlier models.