"We have verified with the Hong Kong Cybersecurity and Technology Crime Bureau that the app has been used to target and ambush police," Apple said in a statement.
"The game launch timing may be mistakenly shown in-game for some players. This should correctly be around 1 am PT (8 a.m. UTC). Thank you for your patience," the game's Twitter account said.
"Harry Potter: Wizards Unite" is finally available for download on iOS and Android. Here's how to get started.
Players will be able to choose a character to play as, each with their own special skill.
The new Pokémon mobile game brings characters from all of the past games into one place.
Pegasus malware, typically sold to intelligence agencies, can spy on calls and texts while also recording audio and video from phones.
The classic card game is now on mobile phones, with multiple game modes to play.
Twitter added a new feature to the app Tuesday.
Tumblr was removed from Apple's iOS App Store last week over issues related to "child sexual exploitation" being posted on the microblogging network.
Users who update will get 70 new emojis.
Having trouble defeating the Headless Horseman, "Hearthstone's" rhyming villain?