Splashes.json Not work !!

Phone : Xiaomi Redmi Note 3 Pro
OS : MIUI 8 with Android 6.0.1

I found file its called "splashes.json" there u can found all the text in splashes in mcpe. But in beta version the splashes is not work. And just show " BETA " can u bring back the feature for splashes ?

NOTE : As u can see in the Screen Shot 👇