Our online store is based on Prestashop. We already have a payment module provided by our payment gateway and is working fine with our website.
Now we are trying to build an mobile app using APPIXIA. To link Appixia with our payment module in prestashop, a APPIXIA module is required. If you are a prestashop expert you will be knowing all this. Appixia also has some sample payment integration modules.
APPIXA is open source and the source files are available on Github.