Kenny Demo · Playground
Playground
Camera tricks, live AI coaching, and remote-control experiments. Pick a toy and play.
Compare the Fractions
Five questions picked from your learning memory: same bottom number, same top number, equal fractions, putting fractions in order and stories. Earn 3 diamonds.
Play the comparison game →Fraction Add & Subtract
Five questions picked from your learning memory: add, subtract, take away from one whole, missing numbers and stories with km, kg and hours.
Play the add & subtract game →Cube Coach
A live Rubik's cube coach: it checks which step you're on through the camera, talks with you while you solve, and confirms each step the moment it sees it done.
Solve your cube →Motion Lab
Record an instructor pose sequence, compare a student attempt with a stickman overlay, and get instant posture, timing, and speed feedback.
Open Motion Lab →Remote Phone Control
Control the Waydroid phone session from the browser, with quick controls to wake, restart, and scroll the mobile screen.
Open phone control →Grade 3 Practice
Prep for Exam, Distance Quest, Multiplication Quiz, Time Telling and Time Feast. Adaptive practice, no diamonds.
Open Grade 3 →Grade 2 Practice
The Grade 2 folder from K&K Quest: Grade 2 Quiz, 3-digit maths, money practice, 魔法煉金術, and Chinese Story Time.
Open Grade 2 →