Fix Storage Permission

Fix Storage Permission on android 9+ when search ROMs

Fix file access permission for android 7.0+

Fix file access permission for android 7.0+

change some UI

change some UI and update fceux v2.2.3

ready to play

download the compiled apks and roms to try

compiled applications:

appgbc-release-20170508.apk.zip
appgg-release-20170508.apk.zip
appnes-release-20170508.apk.zip

sample roms

[GBC]Legend of Zelda, The - Oracle of Seasons.gbc.zip
[GG]Sonic_the_Hedgehog_(JUE).gg.zip
[NES]Adventures of Ice Mario (SMB1 Hack).nes.zip