Yes we can see each other build and walk. Its just that the person who join, the world generates a bit different than it supposed to.
The original name of the world is Mithos Territory
The photos is in the attachment settings
The first photo with the iron sword is the correct way the world is supposed to be, and only the hosts see it like that.
The second photo with only his hand showing is the second player who joined. That "Invisible mountain/wall" is around the whole world.
The host and joiner sees the same world differenty.
Im not 100% sure but i think the seed was called Mithos or i left it blank.
MCPE-344, is similar but the invisible blocks/wall doesnt go away it stays there. If there is a mountain infront of me, i can't walk through it, but the other person can walk through it but he losses half a heart each second he stays there.
And yes it was created before 0.4.0, it was created around thee release of 0.3.0
Ill post screen shots tomorrow to show the glitch/bug.
I will post screen shots this weekend of both screens.
Everytime we play multiplayer it happens when the joiner joins.
When i make a new world with a new seed the bug is gone. And i only used the bugged map since 0.3.0
The problem is that there is extra terrain that the joiner is not supposed to see because its not in the real world.Like if it generated wrong when he joiner joined.
In 0.3.0, multiplayer worked perfectly for a while but after a while in 0.3.3, and 0.4.0 it started to act weird and buggy.