This is preinstalled on my ThinkPad 8 tablet, version 1.0.17.0. What is it for ?
It is not listed in ThinkPad 8 downloads http://support.lenovo.com/us/en/products/tablets/thinkpad-tablet-series/thinkpad-8
The Lenovo Experience Improvement file is a feedback app.
http://www.shouldiremoveit.com/Lenovo-Experience-Improvement-81004-program.aspx