Current groundbased  microlensing searches probe distant (at several kpc) cool planetary
companions (from 1-10 AU) preferentially around M- and K-dwarf hosts down to one Earth mass.
We present two main key achievements of the PLANET (Probing Lensing Aomalies NETwork) 
collaboration:
On one hand, the detection of a cool 5.5 Earth mass planet in a 2.6 AU orbit and its
implications for planet formation theories.
On the other hand, while now 4 robust detection have been made, the absence of planetary
signatures in the microlensing data archives prevails. Using 10 years of collected data we
derive constraints on the Galactic abundance of M- and K-dwarf planets.