Microsoft has made Microsoft Edge available for Apple's iPad and for Android tablets, bringing the same experience, look and feel of their browser to competing platforms. Microsoft previously launched Edge on iPhones and Android phones so this is a continuation of that rollout.
Who benefits from this? Microsoft ecosystem users who want to sync between their PCs or Surface devices and their iPads or tablets. I've used Edge extensively on my Surface Laptop and while it is generally ok, I find it isn't as robust with working on certain CMS (Content Management Systems) and it also isn't widely adopted for multimedia (some Canadian content providers like CTV or Global TV refuse to run video on Edge). If you're enamoured with Edge, then you can now have it on your tablet.