Update README file

README.md

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-# cutiepi-shell
-A mobile UI for Raspberry Pi and Raspbian OS
+## CutiePi shell
+
+A mobile UI for Raspberry Pi and Raspbian OS.
+
+![](cutiepi-shell-heroshot.png)
+
+CutiePi shell is built for the open source [CutiePi tablet](https://cutiepi.io) project.
+
+## Features
+
+* Lockscreen with sleep/wake button
+* Built-in web browser, terminal emulator, and on-screen keyboard 
+* Side-tab layout for multitasking 
+* WiFi configuraton 
+* Battery charging status and level reading (through STM32 MCU)
+* Orientation sensor support 
+
+Cutiepi shell is written entirely in Qt, and can be ported to Wayland or any platform with EGL support.
+
+## Dependencies 
+
+- [Qt](http://download.qt.io/official_releases/qt/5.12/) `5.12.5`
+- [Yat](https://github.com/jorgen/yat) for terminal emulator
+- [libconnman-qt](https://git.sailfishos.org/mer-core/libconnman-qt) and [ConnMan](https://01.org/connman) `1.37` for WiFi configurator
+- [CutiePi firmware](https://github.com/cutiepi-io/cutiepi-firmware) and [middleware plugins](https://github.com/cutiepi-io/cutiepi-middleware) for battery and sleep/wake button related functions 
+- [QtMpu6050](https://github.com/cutiepi-io/QtMpu6050) QtSensors plugin
+
+## Licensing 
+
+Icon assets are from `gnome-user-docs` package with following license and copyright information: 
+
+    Copyright: Copyright (C) 2010 - 2014 Shaun McCance
+    License: CC-BY-3.0
+
+* This project also used [Font Awesome](https://fontawesome.com/license/free) fonts, which is licensed under `SIL OFL 1.1 License`. 
+* CutiePi shell source code are licensed under the terms of the GNU General Public License version 3 or, at your option, any later version. 
+* And all documentation is licensed under a Creative Commons BY-SA 4.0 international license.