Program need to be done using flutter and php by creating a codes for referral ID in mobile app registration. User will click link from whatsapp share, it will bring the user to the app store or play store to download mobile apps. When user open the downloaded apps, it will automatically read the referral ID that has been carried from the link or shares. Basically it's a sharing apps function.
17 freelancer đang chào giá trung bình $228 cho công việc này
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