I was just doing my normal Minecraft stuff when I noticed something weird going on with the menu/mobs/items in the game... I can't describe it very well but I did record it:
(it doesn't fit in the limit)
Also, I don't know how well you can see it, but when I came down there, I saw that the edges of the cow were turning white then back again. like the color got erased then brought back.)This was on my LAPTOP not phone
I'm afraid we cannot help you with issue on Windows Phone. This platform is no longer supported, see https://www.minecraft.net/en-us/article/important-news-regarding-minecraft-mobile