Aw cutie! Welcome to the wonderful world of syrian parenthood
The tank is a great size, so you're good there. It's very empty though, so if you can't buy toys, looks around the house for tissue boxes, cardboard tubes, ceramic mugs, or other things you can use as hamster toys. You can also go outside and find large rocks for you hamster to climb over. Just wash them well before using. Anything to add a little fun and stimulation for your ham
Give her some time to settle in before interacting with her. Once she has, she probably still won't be very happy to be picked up until she's tamed, so let her climb into a glass jar or a hamster ball so you can look at her to try to determine her de , if you are unsure. I find that hamsters can't resist climbing into a jar if you put it in their cage with them
Guessing age is always tricky, but I don't think she's more than 4 weeks based on the pictures, the wee thing ^_^
You're going to want to replace that wheel quickly though: adult Syrians need at least an 8 inch wheel, and many will even outgrow that, and require and 11 inch one.