I've got the new version of Celtx for iPhone. It works great, however, there is a bit of a problem - each file when downloaded from the Cloud is titled "Screenplay" or "Stageplay" which is rather annoying as it's difficult to know which version it is - I title each file with a version number so I know where I'm up to and am sure I'm editing the right version. Also, if there was an ability to update the file name on the iPhone platform, that would be great.
I've been using Celtx for probably four or five years and think it's great. I've written some of my best stageplays with it, so keep up the excellent work. Nice to see that there's an Android version at long last, although the landscape mode is a bit of a must as it's really hard to use with an Asus Transformer.