Far lands and its glitches still existings

1)Far lands still generating in Minecraft that running on a phone

2)As the number of the coordinates is growing , the game itself starts behaving buggy , which is similar to java version beta 1.7 and earlier .

(Though far lands do not generate in Minecraft running on Windows 10 , however , according to the cause of the Far Lands existing , both issues ought to be the same problem )