Blackberry Mobile run on its own operating system . Like Apple and iphone uses its own operating system Blackberry does the same . The outer look of the mobile is too good . It’s resolution power is also very fine having 768 pixels by 1280 pixels at a PPI of 356 pixels per inch . It is powered by 1.5 Ghz dual-core processor and it comes with 2 GB of RAM . It;s sound capacity is very fine and is user friendly . It’s external look is dashy and coo l. It’s weight is 137.5 gm . It has micro SD card slot expandable upto 64 GB . It has front camera 2 MP and back camera 8MP . It has removable Li-lon 1800 mah battery power. It’s Amazon cost price ic 6499 Rs. . Apart from all these good quality that blackberry posses there is a very bad disadvantage for those who is addicted to Android operating system or is not aware of blackberry operating system . So for all of your concern I want to draw the attention of yours as well as of the developers of Blackberry . Friends its not been possible to run any Android app on the blackberry device . none of the Android app runs on this device . Even you will get suprised to know that Blackberry has not upgraded the version of Whatsapp since december 31 2017. Through my personal experience I will prefer everyone not to buy blackberry device if you are Android addicted and and through this esteemed review on Mouthshut wants to draw the attention of Blackberry developers team to work on it .