A DFW company that created a micro SD chip which allows users to use their smartphones as a transaction device was awarded TeXchange's One to Watch award Tuesday evening. DeviceFidelity Inc. beat out more than 100 nominees for the award that recognizes a company with less than $2 million in revenue that encompasses the entrepreneurial spirit and innovation. The Richardson-based company received its award at the Metroplex Technology Business Council's Fast Tech Reveal, an event announced the top…