Download the zaka. ™ App from the Google Play Store, register and deposit funds into your allocated zaka. ™ wallet to start transacting with vendors, spazas, shops affiliated to zaka. ™ in your neighborhood. After downloading and sign up, zaka will allocate you a digital wallet. To top up your account, deposit funds into the zaka account using your cellphone number as a Reference. Zaka will allocate funds to your digital wallet, happy transacting.