ROMEO Web
To see who visited your profile and who left you footprints, just click the 'Visitors' icon (shoe-prints in the menu on the left).
To leave a footprint to another user, open his profile, click the 'Footprints' icon in the vertical menu in his picture and select the footprint you'd like to leave.
ROMEO Android
To see who visited your profile and who left you footprints, please tap the shoe-print icon in the bottom bar.
To leave a Footprint for another user, open his profile, tap the Footprint icon and select the footprint you'd like to leave.
ROMEO iOS
To see who visited your profile and who left you footprints, just tap 'Visitors' icon (shoe-prints) in the bottom bar.
To leave a footprint for another user, open his profile, tap the footprint symbol and select the footprint you'd like to leave.