If you are in search of a good Salesforce Platform App Builder training course, then I would suggest you Salesforce training course from Intellipaat which includes 36hrs online instructor-led training and 52 hrs of project works and exercises to practice on and gain proficiency. And if you want to learn by yourself then there is also a self-paced video of 36hrs. This course helps you in clearing Salesforce Certified Administrator certification exam and Salesforce certified Platform App Builder certification.
This course teaches you how to use the declarative customization capabilities of the Salesforce platform to design, build, and implement custom applications. Along with some features of the Salesforce Lightning and much more, all at affordable cost.
Do check out the Salesforce App Builder training YouTube video from our team of experts to help you get started.