What is this?
An open-source Android app for TVs, tablets and phones that makes kids answer questions before they unlock screen time. It runs entirely on the device, with no server and no account. Parents manage questions and rules from a phone or PC on the same Wi-Fi.
An open-source Android app for TVs, tablets and phones that makes kids answer questions before they unlock screen time. It runs entirely on the device, with no server and no account. Parents manage questions and rules from a phone or PC on the same Wi-Fi.Is it an app I install, or a server I have to host?It is an app you install on the device being controlled. There is no server to host: question banks, rules and usage records are stored on the device itself.
It is an app you install on the device being controlled. There is no server to host: question banks, rules and usage records are stored on the device itself.How do I install it on a TV?Phones and tablets install the APK directly from GitHub or the Pgyer (蒲公英) links. On a TV, install it via USB drive or ADB. On first launch you set an admin password, and permissions can be granted later.
Phones and tablets install the APK directly from GitHub or the Pgyer (蒲公英) links. On a TV, install it via USB drive or ADB. On first launch you set an admin password, and permissions can be granted later.Which devices are supported?Android 5.0+ tablets, phones and TVs. HarmonyOS NEXT, Tizen and webOS are not supported yet, and vendor background restrictions have to be checked on each real device.
Android 5.0+ tablets, phones and TVs. HarmonyOS NEXT, Tizen and webOS are not supported yet, and vendor background restrictions have to be checked on each real device.How is it different from a plain screen-time limiter?Screen time is earned rather than just capped. Kids answer questions to unlock minutes, stars set different rewards for 1-5 star questions, and wrong answers add extra practice questions that persist across days and restarts.
Screen time is earned rather than just capped. Kids answer questions to unlock minutes, stars set different rewards for 1-5 star questions, and wrong answers add extra practice questions that persist across days and restarts.Can the TV be used freely outside the study slots?Yes. The 'answer-required' slot mode only requires questions inside its window and leaves the TV free outside it without deducting balance, so grandparents can watch during the day while the lock applies in the evening.
Yes. The 'answer-required' slot mode only requires questions inside its window and leaves the TV free outside it without deducting balance, so grandparents can watch during the day while the lock applies in the evening.Does it support formulas, handwriting and voice input?Yes. Question stems and options support LaTeX formulas that display offline. Tablets and phones support touch, voice input and handwriting, while TV uses the remote control.
Yes. Question stems and options support LaTeX formulas that display offline. Tablets and phones support touch, voice input and handwriting, while TV uses the remote control.Can open-ended answers be graded automatically?Yes, with options: a parent can grade manually, an agent such as Codex can grade them, or a compatible AI API such as DeepSeek or Qwen can be configured.
Yes, with options: a parent can grade manually, an agent such as Codex can grade them, or a compatible AI API such as DeepSeek or Qwen can be configured.What are similar projects?cleanyourtv-app, dumbtv, streak, Android-Dex, tellyscope, Shizuku-Next, get-it, hilight-studio
cleanyourtv-app, dumbtv, streak, Android-Dex, tellyscope, Shizuku-Next, get-it, hilight-studioWhich topics is it in?edtech, quiz, smart-tv, webview, android-tv, adb, usb, latex, qr-code, dark-mode, speech-recognition, privacy-first
edtech, quiz, smart-tv, webview, android-tv, adb, usb, latex, qr-code, dark-mode, speech-recognition, privacy-first