Now available on Google Play
5 minutes a day, closer to passing.
A study app for the Mechanical Metalworking category of the Specified Skilled Worker (ii) Evaluation Test in Industrial Product Manufacturing. With over 800 questions included, you practice with Japanese question text and choices — just like the real exam — while reading explanations in Japanese, Thai, English, or Vietnamese. Includes multiple-choice practice, practice by level, mock exams, and review of weak areas.
For Android ／ Free download ／ One-time ¥980 unlocks all 800+ questions and removes ads
STUDY THE WAY THAT SUITS YOU
Built for days when you can’t set aside a big block of time: solve a few questions and see what to review next. These features make exam prep easier to keep up.
01 / START
Original questions follow the study scope of the Mechanical Metalworking category. Solve the Japanese question text and choices, and check explanations in four languages.
02 / DRILL
Answer from four choices and see right or wrong with the explanation straight away. Make progress even in short bursts of time.
03 / CATEGORIES
Questions are grouped by category, such as safety and health or quality control, so you can focus on the themes you find hard.
04 / LEVELS
Choose beginner, intermediate or advanced. Build up from the basics to applied questions at the pace that suits your understanding.
05 / MOCK EXAM
Practice with the timing of the real exam in mind. When you finish, see your accuracy and the categories worth reviewing.
06 / PROGRESS
Check your accuracy, questions solved and study streak. The results of keeping at it are clear at a glance.
07 / GLOSSARY
Look up terms likely to appear on the exam, such as 5S and the 7 QC tools, together with their meaning and purpose.
EXAM GUIDE
Read about eligibility, the exam format, covered topics, and ways to prepare. The guide is written in Japanese.
LANGUAGE SUPPORT
Question text and answer choices are always shown in Japanese. Explanations can be switched between Japanese, Thai, English, and Vietnamese at any time — so you get used to the Japanese exam wording while still understanding the content properly.
Please note before use. This app covers the Mechanical Metalworking category of the “Specified Skilled Worker (ii) Evaluation Test, Industrial Product Manufacturing” field. The questions are original, created based on the publicly available exam scope and tendencies — they are not reproductions of actual exam questions. This app supports your study but does not guarantee that you will pass the exam. For the latest exam system and scope, please always check the official information from the testing organization.
The download is free, and you can try up to 100 questions. The free version shows ads (Google AdMob). A one-time in-app purchase (¥980, tax included) unlocks all 800+ questions and removes ads.
All payments are processed by Google Play, and our studio never receives your credit card information. Study records such as answers, correct-answer counts, and favorites are stored only on your device and are never sent to any server. Question data and study features work without an internet connection, except when ads are shown.
For details, please see our Privacy Policy and Commercial Transactions Act Notice (Japanese only).
Last updated: August 28, 2026
FAQ
Download is free and includes 100 questions. A one-time ¥980 purchase unlocks all 800+ questions and removes ads.
It supports the Machinery and Metal Processing category of the Specified Skilled Worker (ii) Evaluation Test for Industrial Product Manufacturing.
Question text and choices are in Japanese. Explanations are available in Japanese, Vietnamese, Thai, and English.
There is currently only an Android version. We are considering future iPhone development.
No. The questions are original and created from publicly available exam scopes; they are not copied past questions.
Question data and learning features work offline except when ads are displayed.
No. The one-time ¥980 purchase unlocks all 800+ questions and removes ads.
Study records stay on your device and are not sent to an external server.
The mock exam has 30 questions and an 80-minute time limit. Results show accuracy and weak categories.
No. It supports your study and does not guarantee passing the exam.
The download is free — try up to 100 questions.
Viewing on a PC or tablet?
Scan this code with your phone to open Google Play.
