The Zmax Pro runs Android 6.0 Marshmallow out of the box, sporting a 6-inch display with 1080 x 1920 pixels, and offering other mid-range features like an octa-core Qualcomm Snapdragon 617 processor clocked at 1.5 GHz, 2 GB of RAM, and 32 GB of expandable internal memory.
But Dorne is cognatic primogeniture, meaning they treat female claims the same as males. So, because Rhaegar and Viserys are dead, Dany has the next best claim, followed by any nieces or nephews. This is why the Lannisters feared Dorne would try to install Myrcella onto the throne.
But discussions about rightful heirs are moot for Cersei, who has access to wildfire, the help of a mad man (Qyburn) and the protection of a muscly zombie. She took the crown and sat on the throne at the end of the season finale. This is a move that could only be made by someone with zero self-awareness.