Apple, Google Face New Legal Challenges After Epic App Store Win

Jurors took less than four hours to find Alphabet Inc.’s Google unfairly wields monopoly power in its Android app store, a lightening fast win by Fortnite maker Epic Games Inc. that’s galvanizing efforts to rein in the power that Google and rival Apple Inc. wield over mobile ecosystems.

Google has said it plans to appeal, but key legislation in Europe, investigations in the US and UK and an expected wave of follow-on lawsuits will keep pressure on the tech giants’ app store duopoly.

Billions of dollars are at stake: in-app spending is forecast to reach $182 billion next year ...