There’s a pretty decent chance you’re not using any real Chrome apps at all, even if you use web apps all the time. And Chrome extensions are also different from Chrome apps, and those will keep working just fine.
Some Chrome apps you have installed may already redirect to websites, like many of Google’s apps. In rarer cases, you might also be using Progressive Web Apps, which are basically websites that are cached to your device so they can have some offline functionality and be launched like an app. At this point, most apps on the web are just regular web apps, which is why you’ll be able to keep using Pocket without issue in much the same way by navigating to. You probably don’t need to worry about the death of Chrome apps messing up your browsing experience too much. You probably aren’t using Chrome apps anyway