Visit tiketmobile.com on your mobile device. Click on the "GET BUS TICKET" button, select a route, select a transport company, and you will be given list of available tickets and their prices.
Go through the steps in "Find Tickets", enter the number of tickets, select a travel date, and select a park. You will receive details of the tickets and you can proceed to make payment online or at a QuickTeller ATM using your ATM card.
After purchasing the ticket, an SMS will be sent to you containing your purchase details which contains a unique "Ticket ID". You would be required to present that at the bus park to validate your ticket purchase.