BERLIN—Germany’s cartel office said it was examining Google’s use of personal data and its Google News Showcase product under its new powers to regulate internet companies, and was also considering cases involving Amazon, Apple, and Facebook owner Meta. The regulator said on Wednesday it had determined that Google’s owner Alphabet met the scale threshold required for a company to be subject to new extended supervisory powers to regulate large internet companies that it acquired last year. “The Federal Cartel Office can now tackle concrete forms of behavior that harm competition,” office president Andreas Mundt said. “We have already started looking more intensively at Google’s processing of personal data and the topic of Google News Showcase.” He added that the office was also considering further cases involving Amazon, Apple, and Facebook owner Meta. A Google spokesperson expressed confidence that the company was in compliance. “To the extent that changes are necessary, …