Assalamualaikum warahmatullahi wabarakatuhu.. Hi, I'm Lucky from Indonesia, I wrote this message, using Indonesian, then I translated it into English using Google Translate. Alhamdulillah I use the application for many things, including for da'wah, it is very helpful. I want to donate to the development of your application, unfortunately your payment method is constrained by several things, with financial conditions and donation transfers. I have 2 suggestions, first: for the amount of donation, make 2 choices. (1) provide options so I can choose the amount of donation. (2) the option to choose the transfer period, provide the option of only one transfer period, this is related to my financial condition, which is limited.