How to a create a Dynamic App?

Can anyone please help me by giving me tips & steps on how can I create a Dynamic App. So, it’ll also be easily updated & will be handy to work.
Please help me, guys…

Dynamic app? Proper design practices will help you maintain. There is always the potential where you need to rebuild.

Keep your ideas simple. Try to keep things simple. Do not focus on the most efficient way at first. Focus on ways that work and you can understand.

Experiment experiment experiment.