"Resizable widgets" refer to software elements or components that can be manually adjusted or scaled in size according to the user's preference or needs. Full definition
TouchWiz includes such Android 4.0-esque features as resizable widgets (full marks to Samsung for NOT calling them «wizgets»), a scrollable multi-tasking list and easy screenshots (here with a soft button). (pocket-lint.com)
I like resizable widgets, being able to rearrange icons within folders, redesigned notification «shade» and other enhancements, including Google Now. (goodereader.com)
You'll still find resizable widgets, such as ones for your calendar, photo gallery, and music. (laptopmag.com)