Run Samourai Wallet's Dojo yourself (eventually) or connect to a public Dojo: dojobay.pw
Using Ashigaru.rs
.onion APK: http://ashicodepbnpvslzsl2bz7l2pwrjvajgumgac423pp3y2deprbnzz7id.onion/Ashigaru/Ashigaru-Mobile
Don't trust, verify. Especially all signatures/checksums