How to say Asher Yatzar
Asher Yatzar is said after using the bathroom. The siddur has a dedicated page for the blessing. The blessing is short and is said each time according to halacha. You can read it on your phone from the Asher Yatzar page in the siddur. The public page opens without choosing a community.
Do I need the full siddur?
No. There is a direct URL for the blessing.