https://files.catbox.moe/d1k5v5.zip Download the files here and open README to start developing (please note I came out as a demigirl online long ago, so if u see "yua" please remember it's me - yeah I should've mentioned). SDK is found under the "SDK" folder. Please note this uses Turbowarp.
Introducing the biggest (yet simplest innovation) to scratch. It's so simple, just follow README to get started. This SDK uses simple code and Turbowarp to enable resizable windows on Scratch when you export them as an application. This is bound to enable huge opportunities.