add scaling by sheets xml
Merge branch 'dev_ap' of https://github.com/furiouswheat/F2CDroid into dev_ap
Merge branch 'dev_ap' of https://github.com/furiouswheat/F2CDroid into dev_ap
Merge branch 'dev_ap' of https://github.com/furiouswheat/F2CDroid into dev_ap
Merge branch 'dev_ap' of https://github.com/furiouswheat/F2CDroid into dev_ap