FAQ:

• Q) How big is 1 3ds block?
  A) 1 3ds block = 128 kilobytes
• Q) What is the use of QR(s)
  A) The QR thumbnails on this page can be clicked then scanned with a 3DS to lead you directly to the title's eShop page.
• Q) What is the use of TitleID(s)?
  A) You need the titleid for cases such as when you want to extract a title using GM9.
• A static webpage for devices with no javascript is always available here