Performance-testing-videos and general questions

Hey,
I've been trying to evaluate if it would be reasonable to use the packager for developing commercial products.
I would like to show you some videos of my results.
http://www.youtube.com/watch?v=lsprSZY-HEM   --> iPhone/iPod
http://www.youtube.com/watch?v=HJNcz58690c   --> iPhone/iPod
http://www.youtube.com/watch?v=5hH3vnhOWcs  --> iPad
From my prespective this seems the maximum that can be done with the packager concerning performance.
-There are 3 parallax scrolling background layers.
-Scrolling is somewhat smooth
-Performance is ok, gameplay in the demos doesn't feel sticky.
-no slowdowns for up to max 30 enemy sprites on screen.
- basic pixel based collision with an image is possible - though only for 2-3 sprites registered for collision at the same time.
I am not a very profound programmer and i am sure a lot of my code could be optimized.
What I would like to ask is:
1) Has somebody been able to squeeze more out of the packager?
2) Since packager apps have problems with multitasking on iOS and strategies to save and restore the apps state on reload/focus seem buggy - would it be professional to produce apps with the packager?
3) If you start (and stop) several different packager Apps the device performance (iPhone/iPad) will come to a grinding halt because of memory issues when multitasking. So the question would again be, can you sell software that will only perform under certain circumstances?
Those of you who have Apps in the store, have there been any negative comments on those issues?
Please comment freely.
Thanks,
Simon

in my opinion, flash is a viable option only if the application being developped
1. is not graphic, memory or cpu intensive
2. is trying to get rapid deployment into ios/android/wm7 market with relative ease
3. relative easier programming/graphical UI (Flash much more user friendly than xcode)
then yes flash is your solution.
However the 1. thing varies greatly on hardware and what your app can achieve. the bottom line is that apps in flash are and will always be slower than native apps merely because it launches a flash player to run your app. hopefully next update can address the issue with performance rather than an API update pack.
I would rather have better performance.

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