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This is the public trial for the sale

Really? I thought that since it's public, it will be officially announced. I also thought that since there are still some loading as you stated, it means that it's not yet ready for public trial. I should go and test it out then 'cos by then there'll only be a week left before the start of the official token distribution.

Here is my Kovan address: 0x0fdBa929A1fF3cADC2d8294d38f690866492E97C
I would like to try it out to start getting used to since the interface is already functional.
Btw, thanks for your post. It definitely helps me with the information needed such as the ABI. Maybe I ask which one is the contract address? the one with

var eos_sale_address_kovan

or

eos_token_address_kovan

You want to use eos_sale_address_kovan if you are going via the manual route with ABI. I've sent 0.5 KETH your way so you can test:)