qur'an on the phone

Reading Quraan on a laptop or phone

Q:

1. Can we recite/touch Quranic verses on mobile or laptop screen without wuzu?

2. Similarly, during her period, can a girl touch Quranic verses and their translation e.g. if a girl is learning tarjuma and tafseer, then can she continue to learn this way on the phone without reciting the Quranic verses, just scrolling down and learnng visually?

Islamic apps

Q: Is it permissible to keep apps in mobile of any Islamic surah material? Mobile sometime in our purse or in shirts pocket or any place which is not clean so its is ok?