KOReader isn't currently available on the Google Playstore. It will need to be installed from other sources.

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Install KOReader

2.1 From F-Droid: if you have F-Droid installed, you can install KOReader just by searching for the package inside Fdroid.

Note: Stable releases only

2.2 From your device: download the latest release package using the browser on your device and open the package once downloaded. It will prompt you to start the installation.

2.3 From your computer: download the latest release package to your computer. Once it is downloaded you can install it using adb with the command adb install koreader-*.apk

Check out Android tips and tricks page for general tips.

Err, there are two Android packages to choose from, which one should I pick?

The Android package names indicate the architecture supported by the binaries. Unless you have a specific reason not to, you should choose ARM.

If you have adb installed, you can get that information with the command adb shell cat /proc/cpuinfo

Err, there are two Android packages to choose from, which one should I pick?

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Installation

Usage

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Advanced reading controls (click to open)

Tips and Tricks

Features

Plugins

User patches

Development

简体中文