We released Flex Message Simulator Update 1 (β). This version contains sample Flex Messages with more sophisticated layouts based on the new features of Flex Message Update 1.
We can't guarantee that the appearance of a Flex Message in Flex Message Simulator Update 1 (β) exactly matches the rendering on a target device. A single Flex Message may be rendered differently from device to device. Factors that affect rendering include OS, LINE version, screen resolution, language setting, and fonts.