diff --git a/device/testing/device-asus-tf201/APKBUILD b/device/testing/device-asus-tf201/APKBUILD
index 8b5950cfc..7338d055a 100644
--- a/device/testing/device-asus-tf201/APKBUILD
+++ b/device/testing/device-asus-tf201/APKBUILD
@@ -4,7 +4,7 @@
 pkgname=device-asus-tf201
 pkgdesc="Asus Transformer Prime TF201"
 pkgver=3
-pkgrel=0
+pkgrel=1
 url="https://postmarketos.org"
 license="MIT"
 arch="armv7"
@@ -21,6 +21,7 @@ depends="
 makedepends="devicepkg-dev"
 source="
 	deviceinfo
+	pointercal
 	rootston.ini
 "
 subpackages="
@@ -35,6 +36,10 @@ build() {
 
 package() {
 	devicepkg_package $startdir $pkgname
+
+	# osk-sdl touchscreen calibration
+	install -Dm644 "$srcdir"/pointercal \
+		"$pkgdir"/etc/pointercal
 }
 
 phosh() {
@@ -57,5 +62,6 @@ x11() {
 
 sha512sums="
 5c8652e181c741002aafa2ca714ee169172ad83fe8d8d0156176ed253d40381a90e3868737ae7b2fefc107277ce80d68553dbe8a985ecb4747fa43e0fd63fe6f  deviceinfo
+dcb4e5b6b808205811d9e4f8d5dfa88ff357eb98a8e73ebe46c5cb22f1d2addfc49e552a93bfe678e91467907032676cf7602d418463a20da245b2dbdb494b78  pointercal
 6ec993e278d2a73c72fb96f001716ded63543d99183847d22d172cd81ac410791c79370ecf391d0c24822c975d91b84dc1db296e1b28dbf66d5c227bff8d4011  rootston.ini
 "
diff --git a/device/testing/device-asus-tf201/pointercal b/device/testing/device-asus-tf201/pointercal
new file mode 100644
index 000000000..fbd1034d0
--- /dev/null
+++ b/device/testing/device-asus-tf201/pointercal
@@ -0,0 +1 @@
+52285 119 -7736 138 51026 661396 65536 1280 800 0
\ No newline at end of file
diff --git a/device/testing/device-asus-tf300t/APKBUILD b/device/testing/device-asus-tf300t/APKBUILD
index 823b73c22..8e03a2710 100644
--- a/device/testing/device-asus-tf300t/APKBUILD
+++ b/device/testing/device-asus-tf300t/APKBUILD
@@ -3,7 +3,7 @@
 pkgname=device-asus-tf300t
 pkgdesc="Asus Transformer Pad TF300T"
 pkgver=3
-pkgrel=0
+pkgrel=1
 url="https://postmarketos.org"
 license="MIT"
 arch="armv7"
@@ -20,6 +20,7 @@ depends="
 makedepends="devicepkg-dev"
 source="
 	deviceinfo
+	pointercal
 	rootston.ini
 "
 subpackages="
@@ -34,6 +35,10 @@ build() {
 
 package() {
 	devicepkg_package $startdir $pkgname
+
+	# osk-sdl touchscreen calibration
+	install -Dm644 "$srcdir"/pointercal \
+		"$pkgdir"/etc/pointercal
 }
 
 phosh() {
@@ -56,5 +61,6 @@ x11() {
 
 sha512sums="
 0728a74cce8de74cf15cbbc155963ebc4ff3abf59ea0d3f80a74f66130e2da1f852829e31ad882ade894872cc23dbedd7a3bfc3d2c9e537c196801af3d086e52  deviceinfo
+c0f1aa7b041f9bbf8f6d2a7e2e42d1a54770eaf44fb27cd6b13dd8dd10a8c3960325027deb5766c750a9357b60da752ca6ce96374cdf52cbc8bea5750d6449a9  pointercal
 6ec993e278d2a73c72fb96f001716ded63543d99183847d22d172cd81ac410791c79370ecf391d0c24822c975d91b84dc1db296e1b28dbf66d5c227bff8d4011  rootston.ini
 "
diff --git a/device/testing/device-asus-tf300t/pointercal b/device/testing/device-asus-tf300t/pointercal
new file mode 100644
index 000000000..b8b32c167
--- /dev/null
+++ b/device/testing/device-asus-tf300t/pointercal
@@ -0,0 +1 @@
+37393 -156 -277280 166 38225 -532936 65536 1280 800 0
\ No newline at end of file
diff --git a/device/testing/device-asus-tf700t/APKBUILD b/device/testing/device-asus-tf700t/APKBUILD
index d32e97446..eafbe55d8 100644
--- a/device/testing/device-asus-tf700t/APKBUILD
+++ b/device/testing/device-asus-tf700t/APKBUILD
@@ -4,7 +4,7 @@
 pkgname=device-asus-tf700t
 pkgdesc="Asus Transformer Infinity TF700T"
 pkgver=3
-pkgrel=0
+pkgrel=1
 url="https://postmarketos.org"
 license="MIT"
 arch="armv7"
@@ -21,6 +21,7 @@ depends="
 makedepends="devicepkg-dev"
 source="
 	deviceinfo
+	pointercal
 	rootston.ini
 "
 subpackages="
@@ -35,6 +36,10 @@ build() {
 
 package() {
 	devicepkg_package $startdir $pkgname
+
+	# osk-sdl touchscreen calibration
+	install -Dm644 "$srcdir"/pointercal \
+		"$pkgdir"/etc/pointercal
 }
 
 phosh() {
@@ -57,5 +62,6 @@ x11() {
 
 sha512sums="
 52a5910f3d404793918710a8c6f03e670fe6310d47e13df7c224329e234afde55a85d4ad52657ed8aed21a544736e388a705cdb725ef62eb7b093a7df9478a96  deviceinfo
+715e4814b7357442ad848626c9210dd1f1c54ed8707fafcfabbf691001ecafd85e28b39eadd32a633887488eb58a34e1d4592d99647ab3133cbaa834b8b7694d  pointercal
 c15e0d54e311892556cf9447d8431b6239fcce29bb011bf4931c909b4d59af2f00b87637b0eb67554ccd063f569ad24c868433c551e27354b3b9af604a08f3d8  rootston.ini
 "
diff --git a/device/testing/device-asus-tf700t/pointercal b/device/testing/device-asus-tf700t/pointercal
new file mode 100644
index 000000000..1541adbea
--- /dev/null
+++ b/device/testing/device-asus-tf700t/pointercal
@@ -0,0 +1 @@
+42438 357 -270840 -14 41836 260320 65536 1920 1200 0
\ No newline at end of file