256? Ok.

With the upcoming "Tango" update to Windows Phone, OEMs will have the ability to make phones with just 256 MB of RAM, shaving off a few precious dollars from their bottom line. Of course in doing so, about 5% of the apps currently on the Marketplace (including ours) won't work unless the developer re-works aspects to make it more efficient on memory usage. Such phones include the Nokia Lumia 610 and possibly the ZTE Orbit. Those devices display a similar notification in their "About" section too:

Lumia 610

Of course there are instances where developers may not want to adjust their app--either they don't want to compromise performance/esthetics or they use periodicTask or a ResourceIntensiveTask. In that case, developers can actually opt-out of making their app compatible and instead a message will appear alerting users that this app won't work on their phone.

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Nokia has now published details on both how devs can enable this feature as well as what the user experience will be like. The latter part involves a message noting that the app cannot be installed and when tapped a pop-up window will notify them that they need a phone with more RAM.

Source: Nokia Developer; Thanks, anon, for the tip

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