Используйте приложение APKPure
Историческую версию gptopup можно получить на Android
Онлайн пополнение
Now recharge your prepaid mobile on the go with GP TopUp App – a lightweight, secure and fast app with complete tariff detail to help you choose the right Topup from anywhere in Bangladesh.
You can do instant GP topup of any BD mobile operator like
~ Grameenphone,
~ Banglalink,
~ Robi,
~ Airtel,
~ Teletalk