Android Giveaway of the Day - STC - Shotgun Ballistics

STC - Shotgun ballistics, is a set of tools result of many years working on shotgun 12 gauge ballistic research, to help hunters and skeet shooters get an idea about the use of different Type of cartridges and chokes.
There are 4 modules:
- Ballistic calculations: Speed, flight time, drop and energy;
- Impact patterns: which presents the impact patterns simulated by cartidge and target type;
- Lead: which calculates the distance to be advanced for a transversal moving target;
- Animations: a complement of animations and explanatory videos.

Additional modules are being developed.

Download the application to support it, test its functionalities, any proposal to bring is welcome.