App Engine provides a geolocation header. Check this out:
http://googleappengine.blogspot.com/2011/06/app-engine-151-release.html
It's a best effort geo-IP mapping. Give it a try.
--
Ikai Lan
Developer Programs Engineer, Google App Engine
plus.ikailan.com
On Mon, Feb 20, 2012 at 6:12 PM, Luke wrote:
> may i know what technique do you folks use to open the application to
> particular countries users only during beta stage?
>
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