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Quick Apps for LG G3 Quick Circle case
Kotlin Java
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Quick Circle Apps

Quick Circle Apps is an Android application made by Yoav Sternberg. The application provide modules for the G3 Quick Circle Case.

Get it on Google Play

How it works?

The app uses LG Quick Circle SDK and QSlide SDK. The app was built using Kotlin, A Statically typed programming language targeting the JVM and JavaScript, which was developed by JetBrains.

  • Torch - Enable/Disable camera flash.
  • Music -Register NotificationListenerService that implements RemoteController.OnClientUpdateListener.
  • Notifications - Register another NotificationListenerService.
  • Calendar - Reading events data from CalendarContract.Events.
  • Toggles - Each toggles use its permissions to change the state.
  • Stopwatch - Uses TimerTask that run every 10 milliseconds to update the clock.
  • Calculator - Evaluate the math string using EvalEx library.
  • News - Use Feedly Cloud Api to receive the newest 20 articles from the user feed.
  • Compass - Use Compass sensor.
  • Dialer - call ACTION_CALL intent. The on-call screen is LG's one.
  • Magic 8 ball - Magic...
  • Recorder - use MediaRecorder to recorded audio.


Copyright 2014 Yoav Sternberg

Quick Circle Apps is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Quick Circle Apps is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Quick Circle Apps. If not, see <>.

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