Oops , forgot, OS is Android Jellybean on both devices
Also my track is a long straight one. I find dropped carts and carts on the tracks, hitting a cart reverses mine. Ive brocken the cart and gone on foot to break the one i hit and on at least one occasion suddenly found myself riding a cart in the opposite direction.
I'm actually getting this in single player on a Samsung Galaxy Tab 2 and Galaxy 2 phone running 0.11.1. It tends to result in picking up carts up and down the track. My inventory fills up with minecarts.
Unknown as I've never had any world appear when using this seed though it seems reasonable that a mushroom island could be involved
Google plus link is broken
Screenies demonstrating the texture glitch occurring on two occasions on my Galaxy Pad II on the same day.
I did notice it happen as the tablet warned of low battery, and as I placed a torch on a wall.
Wenlock
No further occurrances here so far