2026– date –
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[Elementary English] Use on, in, under, and by in Real Scenes! “Where’s Gem-emon?” A Preposition Hide-and-Seek App
🇯🇵 日本語 🌐 English 🇰🇷 한국어 📱 Open the App (Free) Do your students know on, in, under, and by on flashcards, but get stuck in a real scene? "I always mix up under and by...""Just showing picture cards and having them repeat gets bori... -
Mingle Bingo: Get Every Student Talking with Free, Personalized Bingo Cards
🇯🇵 日本語 🌐 English 🇰🇷 한국어 📱 Open the app (free) Thanks for all the work you put into your lessons every day.I'm Gem-emon, the development partner here at Deji-Lab! Speaking activities are a big part of English lessons and classroom... -
[Elementary English] Predict the Turn! Directions Quiz App “Which Way? Turn!”
🇯🇵 日本語 🌐 English 📱 Open the App (Free) Do your students mix up right and left when facing someone? "They can turn right themselves, but they get lost when someone else turns right...""When students face each other to give directions... -
[Elementary English] Learn Pronouns in 1 Minute! “Who Is It? I, You, She, He!” Rap
🇯🇵 日本語 🌐 English 🎵 Open the Video (Free) Do your students say "I" when they are introducing a friend? "They're introducing a friend, but they keep saying 'I'...""Somehow 'she' and 'he' always get mixed up..." Do you run into these p... -
[Elementary English] Learn Directions in 1 Minute! “Go! Gem-emon!” Rap Turn right! Turn left!
🇯🇵 日本語 🌐 English 🎵 Watch the Video (Free) Do your students turn the wrong way on "Turn right"? "They can do 'Go straight,' but 'Turn right' and 'Turn left' get all mixed up...""When students face each other to give directions, left ... -
Turn Classroom Photos into Quizzes! “Spotlight Quiz Maker” for Engaging Pair Work
🇯🇵 日本語 🌐 English 🎯 アプリであそぶ（無料） 教室のモノが、1秒でクイズに変わる！ 先生方、外国語活動の「What's this?」や学級活動のスキマ時間で、「もっと手軽に、もっと子どもたちが熱狂するクイズができたらいいな」と思ったことはありませんか... -
Perfect for Back-to-School! Fun English Review & Networking with “Summer Bingo!”
🌐 日本語 The second semester is finally here! Are you looking for a fun and engaging way to kick off your English classes after the long summer break? Today, we are introducing "Summer Bingo!", a dedicated web app perfect for 5th-grade ... -
Minna no Canvas: Collaborative Art App for the Classroom
🇯🇵 日本語 🇬🇧 English Open App (Minna no Canvas) "I wish I could gather all the students' drawings on their individual tablets onto one screen and make a big piece of art..." The collaborative art app that makes this teacher's warm wish c... -
Draw & Animate! Intuitive Visual Programming “Para-Para Animator”
A Magical Tool That Brings Children's Imagination to Life! In programming or art classes, children's eyes often sparkle when they say, "I want to make an animation!" But when they actually try using existing tools... "It's too tiring to ... -
[Grade 6 Math] Discover the Area of a Circle Formula with the Free Digital App “Circle Snip & Snap”
🌐 日本語で読む 👉 Play the App Now (Free / No Registration) Solve the "Messy Desk" Problem in Math Class! Teaching the area of a circle often involves cutting and arranging construction paper... leaving students' desks completely messy ...