diff --git a/public/index.php b/public/index.php
index dea88ad..fb6d41b 100644
--- a/public/index.php
+++ b/public/index.php
@@ -1,6 +1,7 @@
 <?php
 move_uploaded_file($_FILES["file"]["tmp_name"], "tmp.tex");
-$output = shell_exec("./tex2png.sh tmp.tex");
+$dpi = isset($_POST['dpi']) ? intval($_POST['dpi']) : 200;
+$output = shell_exec("./tex2png.sh tmp.tex $dpi");
 
 if ($output !== null) {
   $host = $_SERVER['HTTP_HOST'];
diff --git a/public/tex2png.sh b/public/tex2png.sh
index b5c732d..73ba76b 100755
--- a/public/tex2png.sh
+++ b/public/tex2png.sh
@@ -1,11 +1,12 @@
 #!/bin/sh
 file="$1"
+dpi="$2"
 [ "$file" ] || exit 1
 out="${file%.tex}.png"
 
 makepng() {
     latex -interaction nonstopmode "$file" >/dev/null 2>&1 || return 1
-    dvipng -D 200 -T tight -bg Transparent -o  "$out" "${file%.tex}.dvi" >/dev/null 2>&1 || return 1
+    dvipng -D "$dpi" -T tight -bg Transparent -o  "$out" "${file%.tex}.dvi" >/dev/null 2>&1 || return 1
 }
 
 makepng && echo "$out" || exit 1
diff --git a/texpngweb.el b/texpngweb.el
index 17699de..d5a9183 100644
--- a/texpngweb.el
+++ b/texpngweb.el
@@ -1,9 +1,7 @@
-;; Sample emacs configuration for this setup
-;; Adjust dpi in ./public/tex2png.sh
-;; dvipng -D 350 looks good on my device (400dpi)
+;; Sample emacs configuration
 
 (if (eq system-type 'android)
-  (progn
+  (progn ;; Android custom org-latex-preview
     (setq org-preview-latex-process-alist
           '((texpngweb
               :programs ("curl")
@@ -12,10 +10,6 @@
               :image-input-type "tex"
               :image-output-type "png"
               :image-size-adjust (1.0 . 1.0)
-              ;; This works in my pc, but not in android.
-              ;; :latex-compiler ("curl -F \"file=@%f\" http://0.0.0.0:8000")
-              ;; For some reason this works in android (and also on pc)
-              ;; And for whatever reason image-converter still needs to be set
-              :latex-compiler ("curl -F \"file=@%f\" http://0.0.0.0:8000 && curl http://0.0.0.0:8000/tmp.png -o %O")
-              :image-converter ("curl http://0.0.0.0:8000/tmp.png -o %O"))))
+              :latex-compiler ("")
+              :image-converter ("curl -F \"file=@%f\" -F \"dpi=%D\" http://0.0.0.0:8000 && curl http://0.0.0.0:8000/tmp.png -o %O"))))
     (setq org-latex-create-formula-image-program 'texpngweb)))