Gas station automation mobile application system.this mobile app is a cloud based for gas station owner of petroleum ,LPG,CNG,LNG to monitor their station by their mobile phone.they can check their sales report,dispenser and tank status at real time,get error info for their dispenser and tanks to push the service engineer to fix the exactly problem,also get the tank stock to call the supplier and so on. it also can be network for chain oil and gas company with more than 500 stations located in different city and even different country.