Gamefam and Sony Pictures are launching Karate Kid Training Simulator on Roblox as a promotional effort for the film "Karate Kid: Legends," premiering May 30. Players can train with characters such as Daniel LaRusso and Mr. Han in various locations, participate in weekly challenges and earn exclusive rewards.

Roku is expanding beyond streaming devices by introducing smart home products, such as cameras and smart bulbs, in order to boost the appeal of its streaming devices by letting users manage smart homes via their TV sets. The platform is aiming for simplicity in its partnership with Walmart in order to separate itself from more complex systems like Amazon's.

Epic Games plans to reintroduce Fortnite to iOS in the US following a court ruling that prevents Apple from taking a commission on purchases made outside its App Store. The game has been absent from iOS since August 2020.

Researchers have developed Cached Decentralized Federated Learning, an AI framework that enables self-driving cars to share information without direct connections, creating a quasi-social network. The system allows vehicles to exchange data on navigation, traffic patterns and road conditions, enhancing efficiency and safety while maintaining privacy by storing data in trained AI models rather than a central server.

Retailers are adjusting their strategies in response to the tariff impact, with many facing the prospect of leaner inventories for major sales events like Amazon Prime Day and Black Friday. "Many front-loaded cargo in advance of the tariffs taking effect, but they have not been able to bring in everything all at once," said Jonathan Gold, NRF's vice president of global supply chain. "Retailers also slowed or paused holiday orders, especially from China because they cannot afford to pay the massive 145% tariff."