A kids phone launched this week that earns the same $25 a month whether the kid uses it for five minutes a day or five hours. That single pricing decision explains everything else about the product. Freckle is $199 upfront, runs on its own 5G network, and deleted the browser, app store, social media, and YouTube from a stripped-down Android build called ClayOS. What's left is calling and texting with parent-approved contacts, a camera that identifies the plants and birds a kid points it at,…