Currently all icon packs are under an upgradation process. All will be upgraded to the latest version and Android standard and all will have 3500+ icons by the time competition ends. Some of the icon packs will show "not available in your region". All will be made available in whatever region Google Allows as and when they are updated. Rest assured you will be able to use them if Google Play is present in your country and redeem the code. List of Icon Packs are as follows (update status will change here on this page):
Major Update: Requires DashBoard Change, over 50-100 new icons, 500+ App Id Fixes.
Moderate Update: Requires DashBoard Update, over 5-30 new icons, 50+ App Id Fixes.
Minor Update: Requires DashBoard Update, over 5-10 new icons, 10-20+ App Id Fixes.