Are you an on-the-go sales professional, who wishes they could use their iPad more effectively for sales presentations? Houston-based mobile developer ChairONE has a new app for you: Game Plan, which the firm says makes it easier to access sales information from Box, SharePoint, Dropbox, Amazon S3, Google docs. ChaiOne said its new presentation app is aimed at helping sales team to access critical sales information on the go, providing collections of PDFs, videos, PowerPoint and Keynote presentations, and other materials for access on the iPad. ChaiOne is offering up its new software starting at $25/user/month, with a free, personal version and trial also available.