Samsung’s Focus Flash will soon join the Samsung Focus S on AT&T’s shelves as the South Korea-based company’s second and third Windows Phone devices in the United States. The Focus Flash is a budget-friendly $50 handset and, despite its low price point, it offers a number of enhancements over the original Focus. Is the Focus Flash a worthy successor to the Focus? Can Mango tango with other entry-level handsets in the sub-$50 smartphone space? Hit the break for my full Focus Flash review to find out.