Metrodroid reads some NFC smartcards for public transport. Supported cards: Amiibo. AT HOP - Auckland, New Zealand. Beijing Municipal Card, Shenzhen Tong, T-Union, Wuhan Tong - China. Bilhete Único - São Paulo, Brazil. Bip! - Santiago, Chile. BUS-IT - Greater Hamilton (Waikato), New Zealand. Carta Mobile - Pisa, Italy. CEPAS (EZ-Link, NETS Flashpay) - Singapore.