Instagram opens signup page for Android port, release date still unknown

It's no secret that one of the most popular apps to ever hit the App Store will soon be coming to Android. Instagram has just opened up a signup page for Android loyalists, enabling folks to input their email address and await word on the download going live. Sadly, there's no hint on the aforesaid page that gets us any closer to a specific release date, but it's one less unspecified thing you have to remember.