Update README.md and launcher

README.md

@@ -2,23 +2,26 @@
 This is my unofficial Minetest snap package, derived from the Minetest snap in the snappy playpen.
 
 ## How to install
+
 **Using sudo: (Ubuntu & Derivatives)**
 ~~~
-$ sudo snap install minetest-luk3yx
+$ sudo snap install --edge minetest-luk3yx-dev
 ~~~
 
 **Using su:**
 ~~~
-$ su -c 'snap install minetest-luk3yx'
+$ su -c 'snap install --edge minetest-luk3yx-dev'
 ~~~
 
 
 Note: Make sure that snapd is installed before running the above commands.
 
 ## Stable builds
-You can find stable builds [here](https://github.com/luk3yx/minetest-luk3yx).
+
+The [`minetest` snap](https://snapcraft.io/minetest) provides stable releases.
 
 ## FAQ
+
 **What is a snap?**
 
 Snaps are universal Linux packages.
@@ -29,27 +32,4 @@ You can find it [here](https://forum.minetest.net/viewtopic.php?f=42&t=16088).
 
 **How do I install snapd?**
 
-Debian, Ubuntu, and Ubuntu derivatives:
-~~~
-sudo apt install snapd
-~~~
-
-
-OpenSuse:
-~~~
-sudo zypper addrepo http://download.opensuse.org/repositories/system:/snappy/openSUSE_Leap_42.2/ snappy
-sudo zypper install snapd
-~~~
-
-
-Arch Linux:
-~~~
-sudo pacman -S snapd
-sudo systemctl enable --now snapd.socket
-~~~
-
-
-More:
-[http://snapcraft.io/docs/core/install](http://snapcraft.io/docs/core/install)
-
-Credit to [http://snapcraft.io](http://snapcraft.io) for the resources shown in the FAQ.
+[https://snapcraft.io/docs/core/install](https://snapcraft.io/docs/core/install)

snap/scripts/launcher

@@ -3,7 +3,7 @@ case "$SNAP_ARCH" in
     *86)
     ARCH="i386-linux-gnu"
     ;;
-    *64)
+    amd64)
     ARCH="x86_64-linux-gnu"
     ;;
     *)
@@ -45,4 +45,7 @@ if [ ! -e "$t/pack" ] || [ "$(readlink -m "$t")" != "$s" ]; then
     ln -sf "$s" "$t"
 fi
 
+# Workaround for snap locale support
+export LC_ALL="C.UTF-8"
+
 exec "$SNAP/bin/minetest" "$@"