She looks like a sweetheart and seems to be doing well. Glad to hear you are willing to take on her care and give her the love she deserves!
There are a few things to note: she does need more foliage (Walmart has some really cheap, live plants that do well in a reptile enclosure; ficus, pothos, schefflera, hibiscus etc. and she requires vines to travel on and for exercise. Also, your cage is not the best setup as it seems with the glass front and wooden walls there would be no airflow, which is important for chameleon health. I would also get rid of the sand at the bottom as she is not a desert dwelling creature, but more arboreal (hence the need for more foliage) While the sand won't cause a problem related to her species, she may end up ingesting some of it and that can cause a huge problem to her health. A board member lost a cham last week when the cham ingested some deadfall off a stick, it got stuck in the intestines and eventually pushed through the skin at the leg. These things do happen and are preventable. The best thing for the bottom of her cage is nothing.
The general rule of thumb for feeding is as much as she'll eat within 5 minutes. I feed my little girl about 8 - 9 crickets and 2 -3 superworms daily. When they are young and growing she needs to be fed every day. Also, you will need to supplement her food which means you 'dust' the live food you are giving her IN ADDITION to gutloading. Gutloading means feeding the food you will give your cham. The best way to gutload would be to provide a shallow bowl of fruit (orange sections, apple, melon, strawberries etc.) and veggies (carrot, kale, dandelion greens, romaine lettuce, cucumber) in your feeder container. This will make her food very nutritious and provide her with some much needed vitamins.
Another thing, I'm not sure if your 'not working' water feature is filled with water or not but standing water in a cham cage is never a good thing. It is a breeding ground for bacteria and your cham won't benefit from it. Chams like running water and it is rare that one will drink from a water dish.
I cannot stress to you how important supplementing your feeders is for the general health of your chameleon. If you don't supplement, your cham will not have enough calcium in her bones to sustain her. Since you have a female she will develop eggs and during that development calcium will be 'pulled' from her bones for the formation of the eggs. Due to this, and to combat a well known and dreaded disease, Metabolic Bone Disorder or MBD, without calcium and the necessary supp's, your chams bones will be bend, be extremely weak and brittle - and eventually when she walks her legs will break and she'll end up dying a very painful and unnecessary death.
She looks very sweet, and must have been quite well looked after up until now, congrats........
