donc j'ai enfin testé apres avoir rooté ma tab et je me suis servis de ce tuto pour la modif du build.prop :
et ensuite du build d'une nexus 7 ou galaxy tab 10.1 (memes resolutions)
les voici pour vous apres que je vous les ai preparé et testé tout pret a l'emploi sur la A210

bande de veinard :
avec ça vous aurez acces a quasiment tous les jeux de gameloft mais aussi real racing 2 !
build galaxy tab 10.1 :
# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=JRO03H
ro.build.display.id=Acer_AV051_A210_1.024.00_EMEA_FR
ro.build.version.incremental=1350990408
ro.build.version.sdk=16
ro.build.version.codename=REL
ro.build.version.release=4.1.1
ro.build.date=Tue Oct 23 19:08:23 CST 2012
ro.build.date.utc=1350990503
ro.build.type=user
ro.build.user=pandora
ro.build.host=pandora03
ro.build.tags=release-keys
ro.build.sku=EMEA_FR
ro.product.model=GT-P7500
ro.product.brand=samsung
ro.product.name=GT-P7500
ro.product.device=GT-P7500
ro.product.board=GT-P7500
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=samsung
ro.product.locale.language=fr
ro.product.locale.region=FR
ro.wifi.channels=
ro.board.platform=tegra
# ro.build.product is obsolete; use ro.product.device
ro.build.product=GT-P7500
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=GT-P7500-user 3.2 HTJ85B XWKK4 release-keys
ro.build.fingerprint=samsung/GT-P7500/GT-P7500:3.2/HTJ85B/XWKK4:user/release-keys
ro.build.characteristics=tablet
# end build properties
ro.opengles.version=131072
persist.tegra.nvmmlite=1
ro.sf.override_null_lcd_density = 1
wifi.interface=wlan0
keyguard.no_require_sim=1
ro.dinfo.version=1.0
ro.cpu.vendor=nVidia
ro.cpu.speed=1.2 GHz
ro.cpu.version=T30L
#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.carrier=wifi-only
ro.config.notification_sound=OnTheHunt.ogg
ro.config.alarm_alert=Alarm_Classic.ogg
tf.enable=y
acer.shell.mode=ENABLED
acer.shell.launcher.mode=ANDROID
acer.shell.contacts.mode=ENABLED
ro.error.receiver.system.apps=com.acer.android.acernidus
acer.sync.adb.mode=ENABLED
ro.setupwizard.mode=DISABLED
dalvik.vm.heapstartsize=8m
dalvik.vm.heapgrowthlimit=64m
dalvik.vm.heapsize=384m
ro.com.google.clientidbase=android-acer
nvidia.hwc.mirror_mode=crop
ro.sf.lcd_density=160
persist.sys.acer.ext_pow_conf=1
drm.service.enabled=true
ro.product.modelalias=A210
ro.tether.denied=true
ro.com.google.gmsversion=4.1_r2
dalvik.vm.dexopt-flags=m=y
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt
build nexus 7 :
# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=JRO03H
ro.build.display.id=Acer_AV051_A210_1.024.00_EMEA_FR
ro.build.version.incremental=1350990408
ro.build.version.sdk=16
ro.build.version.codename=REL
ro.build.version.release=4.1.1
ro.build.date=Tue Oct 23 19:08:23 CST 2012
ro.build.date.utc=1350990503
ro.build.type=user
ro.build.user=pandora
ro.build.host=pandora03
ro.build.tags=release-keys
ro.build.sku=EMEA_FR
ro.product.model=Nexus 7
ro.product.brand=google
ro.product.name=nakasi
ro.product.device=grouper
ro.product.board=grouper
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=asus
ro.product.locale.language=fr
ro.product.locale.region=FR
ro.wifi.channels=
ro.board.platform=tegra
# ro.build.product is obsolete; use ro.product.device
ro.build.product=grouper
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=nakasi-user 4.2.1 JOP40D 533553 release-keys
ro.build.fingerprint=google/nakasi/grouper:4.2.1/JOP40D/533553:user/release-keys
ro.build.characteristics=tablet
# end build properties
ro.opengles.version=131072
persist.tegra.nvmmlite=1
ro.sf.override_null_lcd_density = 1
wifi.interface=wlan0
keyguard.no_require_sim=1
ro.dinfo.version=1.0
ro.cpu.vendor=nVidia
ro.cpu.speed=1.2 GHz
ro.cpu.version=T30L
#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.carrier=wifi-only
ro.config.notification_sound=OnTheHunt.ogg
ro.config.alarm_alert=Alarm_Classic.ogg
tf.enable=y
acer.shell.mode=ENABLED
acer.shell.launcher.mode=ANDROID
acer.shell.contacts.mode=ENABLED
ro.error.receiver.system.apps=com.acer.android.acernidus
acer.sync.adb.mode=ENABLED
ro.setupwizard.mode=DISABLED
dalvik.vm.heapstartsize=8m
dalvik.vm.heapgrowthlimit=64m
dalvik.vm.heapsize=384m
ro.com.google.clientidbase=android-acer
nvidia.hwc.mirror_mode=crop
ro.sf.lcd_density=160
persist.sys.acer.ext_pow_conf=1
drm.service.enabled=true
ro.product.modelalias=A210
ro.tether.denied=true
ro.com.google.gmsversion=4.1_r2
dalvik.vm.dexopt-flags=m=y
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt
et pour ceux qui ne le savent pas encore on peut jouer avec une manette xbox en usb !
tuto ici :
usb-bt-joystick-center-jouer-a-la-manette-t36568.html
(evidemment pas besoin du cable cité car nous avons une prise usb sur notre tablette

)
bon jeux !