1. "courses" yes this is hard written and is not available for translation .This will be fixed in next app update .
for the time being please simply goto src/pages/home folder and edit the home.html file .
search for "Courses" and replace this text .
2. This one is also an issue . for the time being please follow : https://forum.ionicframework.com/t/localization-for-ion-select-buttons-ok-and-cancel/69520/2
this is in src/pages/directory -> directory.html
search for " selectedCategories " .