Use this demo url http://vcrm.runnerpal.org/ for the VtigerCRM link. The credentials for both VtigerCRM and the Mobile application is below mentioned,
username is "demouser" and the password is "demopassword".
Note: This is a demo application which will work only with this above mentioned demo url.
For the application to work with your customized VtigerCRM please contact : [email protected]