Ever since Burger King hit the proverbial nail on the head with its famed “Have It Your Way” slogan back in 1974, everyone has known that people like to — well, have it their own way. Customization has been a growing trend, but until recently, smartphones were a glaring exception. Linux Girl can no longer even count the number of times she’s asked for a big “L” and an image of Tux emblazoned on her device.