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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
here direct download from github
If you really can't use the manager try * using the manager on another phone, and then sending to your device * patch the apk in a PC and send to your phone * or you can try using revanced builder(for the standard version[guide on how to use on Android ])and rvx-builder(for the extended version[a guide as well])
If you really can't use the manager try * using the manager on another phone, and then sending to your device * patch the apk in a PC and send to your phone * or you can try using revanced builder(for the standard version[guide on how to use on Android ])and rvx-builder(for the extended version[a guide as well])