The Day of Dragons mod will allow you to turn into one of the three varieties of dragons in MCPE. Namely, it will be the Aether and Black Dragon, as well as the Night Fury from the famous cartoon. Switching between dragon skins in MCPE is very simple. To do this, just go to Minecraft BE settings and switch the textures there.
The Day of Dragons addon is well designed in Minecraft for Android. It works on version 1.14. At the same time, you definitely need to activate experimental gameplay in Minecraft Bedrock. Have a nice flight.