App is not Not user Friendly, too much confusing

Stars is on App not on service. for me So far service is good.
Uber App issues:
1) uber pool option is not available as given help on uber web page.
2) Estimated price of Ride option is not available.
3) To check estimate ride price have go with the procedure of Booking Ride (Where To)..!!!why like this...!
4) if you check estimated price of ride from WHERE TO then you only have one click which is DONE button, why CANCEL button is not there. This is similar like cheating once u clikc on Done then you will charge for cancellation.
5) Entering Promocode option is not available, why its hidden.
** so many options are need to add or make easier

xeeia about Uber, v3.257.2