Grandma's Cream Cheese Pie

I think I need to ask Mom some questions about this one.

9" Graham Cracker Crust:
1 1/2 OR 1 c crumbs
6 OR 4 T melted butter
1/4 c OR 3 T powdered sugar
1 OR 1/2 t cinnamon

Bake at 350 for 15 minutes.

Filling:
8 oz cream cheese
1/3 c sugar
lemon flavoring
8 oz Cool Whip

Mix. Chill.

Topping:
3 T cornstarch
1 pkg unflavored gelatin
1/4-1/3 c sugar
1 3/4 c fruit juice
dash salt
dash citric acid