Helicopter Game V4

Version 4 of Helicopter Game has been released to the market and it comes with a lot of changes. The most important of which is the lower quality setting which improves the performance of the game on lower end phones. Here is a comparison of the 3 qualities from top to bottom (poor, normal, very good):

Recent changes:

* gradient caves and walls

* new title menu

* new font

* parallax backgrounds

* new UI layout

* new theme menu

* helicopter tilting

* improvements in performance

Please post any suggestions or bugs below for the next version.