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This is an application that allows you to create fill-in-the-blank questions by hiding the materials taken with the camera with markers. The operation is simple because it specializes in "hidden and remember". You can also import from an existing image or PDF.

This is an app that allows you to create fill-in-the-blank questions by taking pictures of handouts and teaching materials with a camera, and hiding the parts you want to memorize with markers.

It can be used for memorization learning for school tests and qualification exams. It's convenient because you don't have to write anything and you can create memorization questions without damaging the materials.

It is completely free to use, allows you to import images and PDF files saved on your smartphone, and allows you to place up to 100 markers per image.

Anyway, ① take the photo → ② hide it (place a marker) → ③ memorize it! Since we focused on the simple function of (opening and closing markers), there are no complicated scoring or setting functions, but that makes it very easy to operate.

◎Functional update history

[ver1.3.0]

In response to your feedback, we have made copies of the markers you created available for use.

*In edit mode, "Duplicate Marker" has been added to the dialog menu that appears when you press and hold a marker. When duplicating, a duplicate marker is generated at a position slightly shifted from the copy source marker and becomes selected.

Also, it is now possible to change the title on the problem list screen.

*You can change it from the menu button on the right side of the question card.

[ver1.2.4]

In response to your feedback, when you return to the list screen, you can now return to the position where the open question is displayed instead of the top position.

*When creating or updating a new item, it will be affected by sorting, so when you return to the list screen, we have adjusted the scroll position so that the edited problem can be seen at the top (if scrolling is at its limit, please scroll as much as possible). (adjusted so that it is displayed upward)

[ver1.2.0]

In response to your feedback, we have made it possible to change the image quality (resolution) when shooting with a camera or importing images from a device in three levels (high, medium, and low).

*Default is low (same image quality as before).

*If the original camera resolution setting or image file resolution is low, there may be no difference even if you change it to medium or high.

[ver1.1.0]

The initial display size of markers can now be changed.

◎Other features are as follows.

●There is a sharing function, which allows you to create a compressed file of the questions you have created and send it to other users. You can also capture issues shared by other users.

●Since the marker can be rotated freely, diagonal letters and shapes can also be hidden. Therefore, you can hide even photos taken at an angle without worrying.

●The marker can be opened and closed with a tap, making it intuitive to operate.

●There are two modes: practice mode and creation mode, and markers cannot be edited during practice mode, so there is no risk of accidentally moving or deleting them.

●You can enlarge or reduce the image by pinching in or pinching out. If the text in the image is small, this is useful for fine-tuning the area to be hidden.

●The marker size and rotation can be changed using the buttons at the bottom of the screen, making it easy to make subtle adjustments.

●You can change the color of the marker, so you can distinguish between questions you've answered correctly or questions you want to review, depending on the situation.

●You can give each question a title. There is no character limit, so it can also be used as a memo field. The characters entered in the title field can be searched by character search on the list screen described later.

●You can save the captured images in your device's gallery folder.

●On the question card list screen, you can change the color of the cards to distinguish between question types.

●You can search for characters in the title field.

●Question cards can be sorted and displayed by creation date, update date, and title character code.

●You can also switch to dark mode.

◎Recommended for the following people.

・Those who want a memorization tool for studying for school tests

・Those who want a memorization tool for qualification exams

・Those who want to study while commuting to work or school

・People who want to easily create and solve problems while on the go

・Those who find it troublesome to hide the marker with a red sheet

・Those who want to create memorization problems for their children

・Those who want to create their own original fill-in-the-blank questions

・People who want to create and exchange fill-in-the-blank questions with friends

・Those who want to create memorization questions from PDF or images

・Those who want to memorize learning using only their smartphones

・Those who are looking for easy-to-use and simple functions

・Those who want to memorize school handouts without getting them dirty

・People who want to quickly create fill-in-the-blank questions

・Those who want to use an unlimited number of hiding places

・Those who want to share the problems they created with their friends

・Those who want to make subtle adjustments to the position and size of markers

・Those who want to use a completely free memorization tool

・Those who want to create problems while enlarging or reducing images