Minecraft – How to get unbanned from a Minecraft PE server

For the textures, you can easily change it by changing the terrain.png file with your desired texture pack. But beware that PC's terrain.png may vary with PE's. Try searching for a similar or exact texture on the Minecraft Forums. They have lots of ported texture pack.

For maps, you will need to first port it because MCPE maps aren't infinite and a portion of the world will need to be cut, pasted and then saved in MCPE format. Then you can transfer it to your Android device.

Note: My previous answer was for iOS devices. I have changed my answer to fit the question and hope it helps.

Because you accidentally attacked a villager or two, your popularity in the village is probably low enough that the Iron Golems will attack you on sight.

One option is to prevent more Iron Golems from spawning, and then killing any remaining ones aggressive towards you in the village. You should theoretically be able to prevent them from spawning by either reducing the village population to fewer than ten villagers, or by reducing the number of homes (a home can be removed by deleting the wooden door—the structure itself does not need to be demolished) to fewer than 21.

Once you have prevented the Golems from spawning, you can attempt to increase your popularity with the villagers, to prevent any golems that spawn in the future—because of population increase/home construction—from being hostile. The only way I know of to increase popularity with villagers is to trade with them, specifically for their last item (related Arqade question).

Another option, if you don't care about the village at all, is to wipe out the village's population, resetting your popularity for that village.

Disclaimer: I have not tried the aforementioned solutions myself, so I cannot guarantee they will work.