I know the app.
As far as physique goes you should be more interested in the macronutrients than just the total kCal.
You should have a set number in mind to hit everyday and should get as close to those numbers a possible.
He who transforms himself into a beast, frees himself from the pain of being a man.
At your current state, you'll be taking a compound without really having any idea what it's doing inside your body to produce results. That makes addressing side effect a real pain (hmm...this certain thing is happening to me and I have no idea why it is or how to address it). Don't think of anavar as a magic pill...there are benefits and risks, can't choose just one. There are plenty of threads all around the net that pertain to anavar, along with medical data on it, and seeking those out and reading up before posting a question will serve you well.