Ok a quick update on this game. Bought 1 company and someone bought it from me after few hours not few minutes. I guess it's still not that popular. Tried to buy 5 more companies yesterday but ETH gas price went to the roof so 4 still pending. @.@
If anyone wanna play, you can use my ref link here https://ethecom.co/?referralCode=Q9IilKgDgjQ0EspF