A laptop is crafted out of 6 iron bars and 3 redstones. Once crafted and place on the ground you can tap the computer. A new window will popup saying something like: Welcome to Minebay! and from there you can by clicking one of the items in the list of items.
Fridge & Freezer
A fridge & freezer is crafted out of 6 irons bars and 3 cooked chickens. If you tap the lower part of the fridge you’ll get a some cooked chicken. If you want to, you can tap the top part of the fridge which is the freezer, to freeze the chicken and have it stored there.
Wooden / Cobblestone table: 3 planks + 2 sticks, 3 cobblestone + 2 sticks
Lamp: 6 redstone + 3 torches, turn it on and off by tapping it