Good news for developers, the Sony Ericsson SDK for Windows Mobile 6.1 has been officially announced. The SDK focuses on an ecosystem of Panels, letting developers and partners create different panels ranging from widgets, applications, to online services. Sony Ericsson aims to deliver multimedia Panels where as other partners such as Google and Handango will deliver Panels based on different Panel categories.

Here’s a video featuring Ramanath Bhat, Sr. Manager XPERIA X1 Application and Product Planning, talking about the Panels SDK:

Download the SDK.