Asus Chromebook flip C100PA
Support android app like whatsapp
Quad core CPU, 4GB ram
10.1" Touch screen, 360 degree convertable to tablet mode
0.89kg, up to 8 hours battery
95% new, seldom use.
https://www.asus.com/2-in-1-PCs/ASUS_Chromebook_Flip_C100PA/