1)This component provides an ability to connect braintree payment gateway integration with Liferay 7.
2)Braintree provides the global commerce tools that are required to build businesses, accept payments, and enable commerce into the applications. It is the simplest way to get paid for your great ideas -- across any device, and through almost any payment method.
3)Merchants in more than 40 countries worldwide can accept, split, and enable payments in more than 130 currencies using Braintree. It emphasizes its easy integrations, multiple payment method options (including PayPal and Venmo), simple pricing, security, and support.
4)We have considered credit card payment method for this component. It contains two different modules such as JSP Module and Service Module.

Please refer below link for detailed information of this component.
https://github.com/Azilen/Braintree-Payment-Liferay-Module/wiki

Environment:-
Liferay CE Portal 7.0 GA3 , Tomcat