I want to port few C/C++ libraries to Android, how feasible it would be
e.g. OpenSSL can it be ported or suppose an application which depends on OpenSSL, what is the bes
There are obviously a good deal of enthusiasts who are working on improving the development environment for Android. But nothing is close enough to production quality yet.
Dalvik and its java-based environment is the only thing that can be used right now.
Hopefully, that situation will progressively change over the next couple of years.
Since you can now buy a re-flashable G1 phone, progress in that area should accelerate.