Updated android interface, cards & license information.
Added comments on the new files.
Merge pull request #11 from ktsanov/master

Updated android interface, cards & license information.
Updated cards.
Merge pull request #12 from ktsanov/master

Updated cards.
Updated cards. Added logo letters.
Merge pull request #13 from ktsanov/master

Updated cards. Added logo letters.
Merge pull request #2 from TodorBalabanov/master

Merge pull request #3 from TodorBalabanov/master