My friends play duckpin bowling. They need an app to record their scores. So, I write this app. This app records score / pin location. Features: * Support duckpin and candlepin * Record bowling score or pin location in database * Retrieve score or pin location from a database * Show statistic of the score, strike, pin location * Export history to CSV file * Support 2 bowlers * Support maximum 10 history records * Support English, German, French, Italian, Spanish, Portuguese, Chinese, Korean an