I Cultivated Using My Phone In A Fantasy World

In his previous life, Fang Chen transmigrated and became the Prince of Zhenbei. He was the most useless son of the nobles in the Northern Heavens.
To his surprise, his father died in the war. On top of that, the king confiscated his father’s possessions and exterminated his family.
Thankfully, Fang Chen was reborn again in the nick of time before he died. A system was also installed in the smartphone that he carried with him all this while.
Even though he was diagnosed with brain disease, Fang Chen was determined not to repeat the same mistake. He would begin his journey to become the immortal Celestial Emperor starting with having the right apps on his phone.
He scanned the martial arts technique with his phone camera.
[Ding! Introductory Sword Technique has been upgraded to Dugu Nine Swords.]
[Antivirus software has been activated. Congratulations for being immune to all poisons.]
[Google Maps is navigating. There is a relic with inheritance from an ancient sage 100 meters ahead. Identifying the best route.]
Many years later…
Shangcang Celestial Emperor said, “Brother, you are so handsome and smart. How can you possibly have brain diseases? I can't believe you defamed yourself with such an excuse. Can we please continue this conversation after you put down the Deicide Saber?”