Thank you for your interest in sharing your idea with Samsung. We appreciate your feedback and will tag it on the forum so that it will appear with other feedback, ideas, and requests. This will allow your post to be more easily found in the event that Samsung product groups are seeking outside feedback/requests/ideas regarding our products.
#2 Also available with Microsoft Launcher
#3 Never going to happen.
Samsung apps are baked into the phone. Removing them would cause errors everywhere.
*Might be a carrier specific feature.