Chrome frame + a meta tag = Sencha touch app on IE Yes ! it worked. But wait not always

It worked only for IE 10 in my case. I have a Windows 8 machine with default IE 10. I installed chrome frame and added meta tag to the source code and it worked. But I wanted to make sure that it works on IE9 and IE8 as well. So, when I tried to run it on a Chrome frame installed IE 9 browser on another machine, it just DID NOT work.

It is extremely important for our application to run on IE9 and IE8. Can anyone please help me with this issue?
Seriously looking forward for a response.