Shuichi Tsutsumi (@shu223) | Twitter

The latest Tweets from Shuichi Tsutsumi (@shu223). iOS Engineer. Author of “iOSxBLE Core Bluetooth Programming” etc. Creator of iOS Sampler series. [WORKS] BONX, WHILL, Moff, etc. https://t.co/co9Fwmi04P. San Francisco, CA