Abstract: Mobile Auction Bidding is a developing mechanism that may widely used by GPRS enabled mobile around the world. Many dependable models existing in internet enabled platform. The proposed Auction Bidding Mobile application is basically based on Japanese auction, Double auction and English auction. Making the business model trustworthy, security is being provided by RAC (Randomized Alphanumeric Cipher) Algorithm. The developed Mobile application has a strong process direction, in contrast to traditional cryptographic approaches, composed of functional module and the best security analysis, in terms of computational time and effective environment over the network. The infrastructure collects location evidences about the buyer authenticity and the behavior can be used in the future to profile bidders in order to detect frauds.