updated readme for github

README.md

@@ -1 +1,17 @@
-#Scratch Offline
+# mBlock
+The mBlock is a branch of on the [Scratch 2.0 offline version](https://github.com/LLK/scratch-flash). It adds support of Makeblock products and other Arduino-based boards.
+
+You can get more information or [download a release build at the mBlock website](http://www.mblock.cc)
+
+This version (3.4.5) is considered a "stable" version and will not be actively updated. However, if you find any bugs, welcome to fire a pull request.
+
+If you want to work with translation, or find errors in the translations, [please read this document on how to translate mBlock](http://www.mblock.cc/posts/note-for-translators). This Git repo does not accept pull requests on translating the texts.
+
+# Installer
+
+[Download for windows/mac at the mBlock website](http://www.mblock.cc)
+
+
+
+
+###Learn more from Makeblock official website: www.makeblock.com