nikolay2007 @ 27.3.10, 15:48
And if warez software already installed. It can be updated with a convenience store?
As already said above, if you buy a license.
More specifically, for all - buying any paid application through the market and downloading it, you on the phone in the Market data base is added to a special code (footprint, digital signature), which guarantees your purchase. Information also is duplicated from Google in your account statistics (see the statistics can not be)
If it's a paid app is distributed through websites, it goes, it will be without this code. And so the upgrade to the new version is not possible.