Merge pull request #1 from nuridol/feature_update_1.7.0

Feature update 1.7.0
Merge pull request #2 from nuridol/feature_kor_patch

Feature kor patch
Merge pull request #3 from nuridol/feature_kor_patch

add readme.md
Merge pull request #4 from nuridol/feature_kor_patch

fix screen rotation error