Android with Spring Framework

Hi please I want to create an android App that use Spring as backend.

There is a lot of spring technologies : Spring batch , Spring Data JPA , Spring Integration ,Spring Security ,Spring web flow and Spring webservices. Which one I should learn in order to :

1) Create RESTful api (get data and update it , delete it etc)

2)Create Auth logic (login , signup , cookies , sessions..)

3) Connecting with MySQL databases (Hibernate or JDBC?)