Table:
text: List of video game emulators
Nintendo DS
Nintendo DS
Name_ Current_version System_ Platform License
dasShiny git-c2ed70905e Nintendo DS Windows , OS X , GNU/Linux GPL v3
DeSmuME 0.9.9 Nintendo DS Windows , OS X , GNU/Linux , AmigaOS 4 GPL v2
DraStic 2.1.6.2a (Android) / 2.1.6.1p (Pandora) Nintendo DS Android , Pandora Proprietary (available on inquiry)
Ensata 1.4e Nintendo DS Windows Proprietary (official developers only)
iDeaS 1.0.4.0 Nintendo DS , Game Boy Advance Windows , GNU/Linux Proprietary
NO$GBA 2.7a Nintendo DS , Game Boy Advance Windows , DOS Proprietary
nds4droid 42 Nintendo DS Android GPL v2
DuoS 1.0 Nintendo DS Windows Unknown

Question: What has a proprietary license (available upon request) in the Nintendo DS video game emulators list?

Question: Which system has a current version of 1.4e in the list of video game emulators Nintendo DS?

Question: What has license of gpl v2 and current version of 0.9.9 in Nintendo DS video game emulators list?