Undo option project

[Nitin Bisht]

I really want to work on this project as i also felt a very much need of undo button in mit inventor.

Does this mean that we have to use the backtracking concept.?

[Shubham Jaiswal]

The undo button was there in MIT app inventor 1 but it's not there in app inventor  2 due to some issues(undo/removing). I was also solving that issue. If you find any thing useful related to this,please reply me in this thread.
here is my answer:
http://stackoverflow.com/questions/27896121/undo-redo-button-in-app-inventor-2/42887465#42887465 

[Taifun]

undo is available in the new blockly version

you already can test it on the test server here ai2-test.appinventor.mit.edu

Taifun