https://play.google.com/store/apps/details?id=challengedac.com.challenge_dac_app&hl=en_US
This App now lets you redeem tokens just for being IN SAN DIEGO for SAND or for BEING IN A COUNTRY or ZONE being airdropped!
This will be a HUGE feature of SANDIEGO COIn and TELOKANDA
Learn more at
https://SanDIegoCOin.org
Its getting advanced! new challenge here in San DIego 1 SAND each!
See how NICE the @challengedapp is looking?