The U.S. Supreme Court on Monday refused to protect Google from a year-old order requiring a major makeover of its Android app store that's designed to unleash more competition against a system that a jury declared an illegal monopoly.

The rebuff delivered in a one-sentence decision by the Supreme Court means Google will soon have to start an overhaul of its Play Store for the apps running on the Android software that powers most smartphones that compete against Apple's iPhone in the U.S.

Among other changes, U.S. District Judge James Donato last October ordered Google to give its competitors access to its entire inventory of Android apps and also make those alternative options available to download from the Play Store.

In a filing last month, Google told the U.S. Supreme Court that Don

See Full Page