Fake Instagram & More : why they upload fakes?

i just logon to android market. i was searching Instagram. i seen it , i was like "wow finaly" but what a suprise
i notice the same devleper relased 3 major app's. that not linked to any of apps devlepers. im really sad that google dont give a fuck about there users like apple. it's make me wanna get iphone 4s.


here proof: 



Please Force insta company to publish there app.