diff --git a/mobile_tips/init.lua b/mobile_tips/init.lua
new file mode 100644
index 0000000..fd4b4d8
--- /dev/null
+++ b/mobile_tips/init.lua
@@ -0,0 +1,63 @@
+-- twi_mods/mobile_tips/init.lua
+-- Tips for mobile devices
+--[[
+    The MIT License (MIT)
+
+    Copyright © 2024 1F616EMO
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy of
+    this software and associated documentation files (the "Software"), to deal in
+    the Software without restriction, including without limitation the rights to
+    use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+    of the Software, and to permit persons to whom the Software is furnished to do
+    so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+]]
+
+local S = minetest.get_translatr("mobile_tips")
+
+local function is_mobile(name)
+    local player_info = minetest.get_player_information(name)
+    local window_info = minetest.get_player_window_information(name)
+
+    if player_info.formspec_version <= 4 and player_info.protocol_version <= 39 then
+        -- These are values of MultiCraft 2.0.6
+        -- Though not 100% MultiCraft or mobile, we have no way to detect
+        return true
+    end
+
+    if window_info and window_info.touch_controls then
+        -- This is only `true` on 5.9.0 or later, but anyway use this to detect
+        return true
+    end
+
+    return false
+end
+
+local msg = table.concat({
+    S("Seems like you are playing on a mobile phone."),
+    S("Tap to place node, and long press to dig node."),
+    S("If other players mention \"right-click\" or \"left-click\", they mean \"tap\" and \"long press\"."),
+    S("Tap the \"chat box\" logo on the right-top corner if you need help."),
+}, "\n")
+
+minetest.register_on_joinplayer(function(player)
+    local name = player:get_player_name()
+    if is_mobile(name) then
+        minetest.after(1, function()
+            if minetest.get_player_by_name(name) then
+                minetest.chat_send_player(name, msg)
+            end
+        end)
+    end
+end)
diff --git a/mobile_tips/mod.conf b/mobile_tips/mod.conf
new file mode 100644
index 0000000..42d0de4
--- /dev/null
+++ b/mobile_tips/mod.conf
@@ -0,0 +1 @@
+name = mobile_tips