The rumor of her being androgynous is most likely a mistranslation of android.
There are no set rules to kitten play.
While Sonic, and all received minor design changes, Amy's clothing and hairstyle were completely revamped.
In the end, they are revealed to be okay, and Sonic pleasantly joins them for a relaxing nap in the open meadow.
The cat saucer lands in the Planet Express hangar, where the crew begins unloading supplies, including an enormous ball of yarn and a large amount of cobalt; it's obvious that the cats are using the crew to construct something in the basement, but when Amy and Nibbler try to investigate, they are told that no one without a cat may enter.
Eventually though, a young Amy Rose emerges from the nearby bushes during a stroll, only for some snow to fall on her head.
The sweet kitty switches on her purr-motor as she snugs in comfortably and falls asleep.
She expresses concerns over Sonic's defeat, stating that she has recurring dreams where Sonic is still with them, which makes her hold out hope that Sonic might still be alive.