To the Batman (I am the Riddler) (not really be cool)

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Across
  1. 2. Has a trunk
  2. 3. Large marsupial
  3. 4. URL
  4. 7. Has a trunk
  5. 10. puzzle online
  6. 11. Flying mammal
Down
  1. 1. Large marsupial
  2. 4. Likes to chase mice
  3. 5. tablets and phones
  4. 6. and free to use
  5. 8. crossword dog Man's best friend
  6. 9. SVG for full customization