Japanese venture capital firm JAFCO Asia has invested US$5 million in Singapore-based social messaging service Bubble Motion. Bubble Motion’s flagship service, Bubbly, allows mobile users to update social media and send SMS messages using their voices. Bubble Motion reportedly plans to use the capital to expand its operations into other Asian countries such as India, Japan, Indonesia and the Philippines. The company has previously received venture capital funding, including a US$10 million investment from Sequoia Capital in 2007.