We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.
The SP820 has a built-in web browser, with Flash enabled for easier browsing, with LG’s Smart TV app store, and LG’s Smart Share 2.0. It can playback 3D content, and has two USB ports for external media connection.
Built-in Web Browser
LG Smart TV App Store
LG Smart Share 2.0
3D Content Playback
3D Media File, 3D application, 3D online content
NTSC/PAL Hz, NTSC-PAL conversion, Deep Color (HDMI 1.4), xvYCC, Last Scene Memory
Digital Audio output, 2Ch Down M1x
SmartShare, DMP (DLNA), Built-in WiFi, Direct WiFi, Wired LAN