Actually Freescale itself does not support winCE environments for i.MX6.
There is a company that developed winCE for the i.MX6.
It is Adeneo Embedded:
www.adeneo-embedded.com
You can contact them in point of the details.
Irrespective of winCE, screen overlay is supported.
As for flash, you will need special NDA for getting flash player.
Please contact your local Freescale representative regarding this.
Have a great day,
Victor
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