Sanrio Keroppi phone ring stand. Keroppi Omatsuri Smartphone Ring Stand. Inspired by Omatsuri, special festivals rooted in community and culture in Japan, our exclusive phone ring stand is shaped like the iconic Sanrio character, Keroppi. Both adorable and handy, adhere it to the back of your smartphone to keep your grip and use it as an instant kickstand on any flat surface. Excellent conditions. Brand new with tag