Thanks, it worked, yes.
Unfortunately I don't have very good news...
It looks like your little tree is very unhealthy, maybe already dead.
They should be outside all the time, but in your hot summers direct sun only in the morning, and watering two times a day.
Try positioning your tree in the open shade for one or two weeks, don't overwater it, and let's hope for the best!

I am afraid there is no saving this one