I'm 14. I built a calculator app. 26,000 lines. 3 weeks. Alone. Not a basic calculator. A complete toolkit: 5 calculators – Standard, Scientific, Graphing, Programmer, Date Calculation 12 converters – Volume, Length, Weight, Temperature, Energy, Area, Speed, Time, Power, Data, Pressure, Angle 160+ currencies – Live exchange rates TTS – Reads your calculations out loud Dark mode / Light mode Calculation history Built-in notepad 100% free. No ads. No data collection. Works offline. Then I went to Google Play Console to pay the $25 registration fee. Google rejected the payment. Not the app. The app never even reached them. Google rejected the money. No reason. No explanation. Just "transaction declined." I tried 50 times. 4 months. 5 different cards. Different banks. All rejected. And here's the worst part: there is no one to contact. Google Play Console has no support email. No phone number. No chat. No human. Just automated error messages. So I built my own website. Launched my own app. Direct APK download.…