So it is very simple just follow the steps given below:
1.open Play Store and search for blogger and download it after downloading just open it.
2.so when you open the app there will be a pencil icon on the right - top of the app just click it.
3.here you can create a new post so this is how you can create a post and post it.
Just fill it the post as you want.
Just fill it the post as you want.
If you can't understand my words just click the link below to check out my video
https://photos.app.goo.gl/EEE63Za9bSq3WAEs6