ChordKey (demo) 1.1

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Publisher Description

ChordKey is an experimental chorded keyboard application for Android. It allows you to type one-handed using different combinations ("chords") of only five keys, similar to Doug Engelbart’s original chorded keyboard.
ChordKey uses the Microwriter alphabet, invented by Cy Endfield and used with the permission of Chris Rainey. For best results, we recommend using the CyKey hardware keyboard with a PC:
This application is designed to be used on Android tablets (phone screens are typically too small), and requires touch screen hardware that supports at least 5 simultaneous touches.
See here for a brief tutorial:
For additional reference on the Microwriter and AgendA see:

ChordKey (demo) is a free software application from the System Maintenance subcategory, part of the System Utilities category. The app is currently available in English and it was last updated on 2012-10-22. The program can be installed on Android.

ChordKey (demo) (version 1.1) is available for download from our website. Just click the green Download button above to start. Until now the program was downloaded 10 times. We already checked that the download link to be safe, however for your own protection we recommend that you scan the downloaded software with your antivirus.

Program Details


Publisher Industrial Arithmetic
Released Date 2012-10-22
Languages English


Category System Utilities
Subcategory System Maintenance

System requirements

Operating systems android

Download information

File size
Total downloads 10


License model Free
Price N/A

Version History

Here you can find the changelog of ChordKey (demo) since it was posted on our website on 2014-06-13. The latest version is 1.1 and it was updated on on 2018-03-21. See below the changes in each version:

version 1.1

posted on 2012-10-22

Added Cykey-style command keys (home/end/up/down).,Enabled one-touch operation (drag).,Added option for vibration and sound feedback.,Added option to display characters above keys.,Added option to change size of text window.,Improved help.

version 1.1

posted on 2012-10-22

Several fixes and updates

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Downloads last week: 0
Release Date: 2012-10-22
Publisher: Industrial Arithmetic
Operating System: android
Type: Free