Shows the following information of both SIM cards: SIM state; Integrated circuit card identifier (ICCID); Unique device ID (IMEI or MEID/ESN for CDMA); International mobile subscriber identity (IMSI); ...

Just run smartcard-reader on one device, set the App/AID that you want to select, and tap it against another device ... The secure element can be part of the device's SIM card or it can be another ...