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+
+
+### Open settings via commandline
+
+```
+adb shell am start -a android.settings.SETTINGS
+```
+
+### Switch language
+
+Only three are supported: Chinese, English, and Japanese
+
+```
+adb shell am start -a android.settings.LOCALE_SETTINGS
+```
+
+### Switch input method
+
+```
+adb shell am start -a android.settings.INPUT_METHOD_SETTINGS
+```
+
+If you saw error dialog `Unfortunately, the iWnn IME keyboard has stopped`, this is (potentially) due to the language switch that enables an extra input method. Just go in the `Keyboard & input methods` and only enable `iWnnkbd IME`.
+
+### Launcher app
+
+DPT Launcher is funny. It uses `ExtensionManagerService` that scans through `/etc/dp_extensions`. Ideally we shall have an automated tool to add/remove icons (not a plan), but for now, a commandline approach is the following:
+
+Re-mount your system to be writable (requiring sudo), and then use `NoteCreator` as a template:
+
+```
+> adb shell
+$ su
+# mount -o rw,remount /system
+# cd /etc/dp_extensions
+# cp -R NoteCreator MyTemplate
+# cd MyTemplate
+```
+
+Then we need to change the filenames:
+```
+mv NoteCreator_extension.xml MyTemplate_extension.xml
+mv NoteCreator_strings-en.xml MyTemplate_strings-en.xml
+mv NoteCreator_strings-ja.xml MyTemplate_strings-ja.xml
+mv NoteCreator_strings-zh_CN.xml MyTemplate_strings-zh_CN.xml
+mv ic_homemenu_createnote.png ic_homemenu_mytemplate.png
+```
+
+Finally, we need to edit each file (use `busybox vi file/path/filename`):
+1. For MyTemplate_extension.xml (`****` is the Android app intent name, e.g., `com.android.browser/.BrowserActivity`):
+```
+
+
+
+
+
+```
+2. For each `****_strings-****.xml`:
+```
+
+
+ MyTemplate
+
+```
+3. You can upload a different png for icon `ic_homemenu_mytemplate.png` (must be 220x120 size)
+4. Make sure the files under `MyTemplate` are all permission `0644` (`ls -la /etc/dp_extensions/MyTemplate/*` and `chmod 0644 /etc/dp_extensions/MyTemplate/*`).
+5. Remove the database (cache) from the Extension Manager and allow it to rebuid the database:
+```
+cd /data/system
+mv ExtMgr.db ExtMgr.db_bak
+mv ExtMgr.db-journal ExtMgr.db-journal_bak
+```
+6. Reboot
+
+### Guide to use Taobao PKG
+
+(FYI, I personally prefer a clean system with changes I know, over using their PKGs with unknown changes.)
+
+People have shared their system.img with the extracted apps from taobao pkg. Check [#37](https://github.com/HappyZ/dpt-tools/issues/37) out.
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