iOS 15 Beta 4] It's now possible to animate Memoji in the … screen in iPhone SE 2nd gen. It wasn't possible until now. iPhone SE 2nd gen doesn't support Animoji yet. :
ios iphone memoji anomoji emoji sticker by @minaripink
Use Memoji on your iPhone or iPad Pro - Apple Support
Clips now features Memoji and Animoji, new stickers and more - Apple
Memoji stickers for WhatsApp - Apps on Google Play
Augmented Avatars: using Animoji/Memoji outside of Messages - TapSmart
Apple Adds New Outfits, Glasses, Headwear and Accessibility Options to Memoji in iOS 15 - MacRumors
How to Create, Customize, and Use Memoji in Apple's iOS | Digital Trends
Apple Clips updated with Memoji, Animoji, new stickers | Mint
If you didn't customize your iPhone's Memoji, you're missing out. Here's how - CNET