Download Yahoo Messenger Chat Room for iPhone and iPad
Yahoo Messenger Chat Room is an application for iPhone and iPad that will allow you to enter Yahoo chat rooms.
The application is in .IPA format.
How to install :
Your iphone or ipad should have installed the AppSync software. You can install it in Cydia, then you search AppSync and take de iOS version.
After that you need to download the application named Y! Room . The application is archived in .zip extension. You need to rename it in .ipa
You can download the application from here .