It is an excellent app for personal computers.it was in built more number of apps.actually there is no android phone but lap with me.all my friends are used whats up through android phone they were asking every time why you are not using whats up like that. so one of the my friend give an amazing idea download blue stack app on pc. it contains whats up app also.finally I was download that iam using what sup now. not only whats up blue stacks contains all android apps, games etc.thank you blue stacks you are very useful for me.