It's been a slow process, but Mojang is still plugging away at Minecraft - Pocket Edition in order to make it a more feature-complete version of the popular crafting adventure game. The folks at Droid Gamers offer up some new details on what we can expect from the forthcoming 0.8.0 and 0.9.0 version updates to the game.
Chief among them is the addition of Redstone, which is a material which allows for electrical currents and makes possible all the nifty moving machinery you can build in the game. While Redstone may end up in the 0.8.0 update, it may not be fully functioning at first, and rather will be just another resource you can mine and collect. The features allowed by Redstone in order to make moving components could be held off until the version 0.9.0 update or later. You will be able to craft rails and minecarts in version 0.8.0, but again powering them with Redstone will likely come at a later time.
There are a few other cool new odds and ends in the 0.8.0 update, like new food and block items, walls, and 3D clouds, which are detailed further at the source link. The 0.8.0 update for Minecraft - Pocket Edition is planned for a mid-November release, so we'll keep an eye out for it to hit sometime next month.