Operator CG Technologies has launched an upgrade to its mobile sports betting app that developers said increases the opportunities for customers to bet on games. CG Technologies CEO Lee Amaitis said the company, which operates race and sports books at eight Las Vegas resorts, generates roughly 60 percent of its wagers from its mobile wagering application. The company has operated mobile sports wagering since 2012 and has some 20,000 registered users. Last year, more than $3.5 billion was wagered in Nevada sports books. Amaitis expects the upgraded application, which was softly launched last week, to grow the company’s percentage of…