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Sourcey

Official Description

Sourcey - A clean and simple source code / text file viewer for Android.

* Open and view any source code file with native syntax highlighting and formatting on your mobile device.
* Supports syntax highlighting for over 176 languages and 79 code styles.
* Includes free and configurable font, theme, and format settings.
* Supported on tablets.

Video: https://www.youtube.com/watch?v=RaKwrChQKww