navigation apps
Carnavitime
https://play.google.com/store/apps/details?id=com.navitime.local.carnavitime
yahoo!carnavi
https://play.google.com/store/apps/details?id=jp.co.yahoo.android.apps.navi
cocchi
https://play.google.com/store/apps/details?id=jp.pioneer.cocchi.android
Car Navi Time supports vehicle information acquisition via OBD2 through BLE connection and position correction by acquiring vehicle speed.