Unity game crash on start on HTC incredible S

Hello,am new to unity here i have unity pro 3.5 and i am learning unity i am making a space shooting game and i finished a part of it i tried to build and run it and i followed all the steps of SDK and java and Htc driver and the application crashes on starting it on phone…i even tried to build it then putting it on phone and starting it …it crashed also on start it just shows the splash image then crash i tried to build angry bots and it also crashed on both andriod 2.3 (htc desire) and andriod 4.0 (htc incredible S)

Your application crashes immediately after launch.
Ensure that you are not trying to use NativeActivity with devices that do not support it.
Try removing any native plugins you have.
Try disabling stripping.
Use adb logcat to get the crash report from your device.

ya here is my proplem but i didnt rly understand any of those except the third one…can u explain more?