Koleje Tickets mobile application. The application allows you to buy tickets and search for connections by: Koleje Śląskie Sp. z o. o., Koleje Małopolskie Sp. z o. o., Arriva RP Sp. z o. o., Łódzka Kolej Aglomeracyjna Sp. z o. o., Polregio, Koleje Dolnośląskie SA and PKP Intercity SA. Thanks to the application: - you can buy single and season tickets for all the above-mentioned railway connections. carriers, - you can buy combined tickets for connections with transfers in one transaction, - y