No but it's recommended that you do since droids are able to take pictures, listen to music, etc.
No you do not.
You need a credit card or a debit card to pay for apps.
No it dosent need a memory card
You will need to buy a memory card reader
the memory between the video card and the mother board DO NOT need to match. the memory on the vid card CANNOT be upgraded.
You need a Memory Card reader device to connect the Memory card to a computer
YES, you do need a memory card to game share on a PSP!!!
No you need the memory card
You need an SD memory card.
There are quite a few apps that claim to give you more memory on the Droid. You can find them by going to the Market and searching, using the word "memory."
You will need an SDHD card reader to transfer pictures from an SDHD memory card to a laptop.
Just as you need a computer to put information onto a memory card you will need a computer or something that reads memory cards to print from the memory card