Remittances via Mobile Money - purchasing airtime in South Africa for someone in Malawi with bitrefill and the recipient of airtime in Malawi can sell it to their friends or neighbours for cash - I demo-ed that and people were in disbelief

Tando in Kenya - pay in bitcoin (LN) and 98% of Kenyans using MPESA (mobile money) will receive Kenyan shillings. You can basically pay for everything in Kenya with bitcoin.