Here on the CHALLENGEDAC challengedapp you can send and recieve CHL and SAND in a ...

... wallet which only requires a pin code to login with your phone number.

I have to say challenge is the best mobile dapp for SAND and although eos SAND can be used on Lynx Meetone and other eos wallets , only challenge let's me make local GPS based posts

Expect to see this cross dapp integration posted on
Https://sandiegocoin.org

Earn SAND making posts about San diego on https://steemsandiego.com

I'm excited for @appics to enable the add location button so we can add challengedac